CVE-2021-20716
Severity Score
Exploit Likelihood
Affected Versions
Public Exploits
0Exploited in Wild
-Decision
Descriptions
Hidden functionality in multiple Buffalo network devices (BHR-4RV firmware Ver.2.55 and prior, FS-G54 firmware Ver.2.04 and prior, WBR2-B11 firmware Ver.2.32 and prior, WBR2-G54 firmware Ver.2.32 and prior, WBR2-G54-KD firmware Ver.2.32 and prior, WBR-B11 firmware Ver.2.23 and prior, WBR-G54 firmware Ver.2.23 and prior, WBR-G54L firmware Ver.2.20 and prior, WHR2-A54G54 firmware Ver.2.25 and prior, WHR2-G54 firmware Ver.2.23 and prior, WHR2-G54V firmware Ver.2.55 and prior, WHR3-AG54 firmware Ver.2.23 and prior, WHR-G54 firmware Ver.2.16 and prior, WHR-G54-NF firmware Ver.2.10 and prior, WLA2-G54 firmware Ver.2.24 and prior, WLA2-G54C firmware Ver.2.24 and prior, WLA-B11 firmware Ver.2.20 and prior, WLA-G54 firmware Ver.2.20 and prior, WLA-G54C firmware Ver.2.20 and prior, WLAH-A54G54 firmware Ver.2.54 and prior, WLAH-AM54G54 firmware Ver.2.54 and prior, WLAH-G54 firmware Ver.2.54 and prior, WLI2-TX1-AG54 firmware Ver.2.53 and prior, WLI2-TX1-AMG54 firmware Ver.2.53 and prior, WLI2-TX1-G54 firmware Ver.2.20 and prior, WLI3-TX1-AMG54 firmware Ver.2.53 and prior, WLI3-TX1-G54 firmware Ver.2.53 and prior, WLI-T1-B11 firmware Ver.2.20 and prior, WLI-TX1-G54 firmware Ver.2.20 and prior, WVR-G54-NF firmware Ver.2.02 and prior, WZR-G108 firmware Ver.2.41 and prior, WZR-G54 firmware Ver.2.41 and prior, WZR-HP-G54 firmware Ver.2.41 and prior, WZR-RS-G54 firmware Ver.2.55 and prior, and WZR-RS-G54HP firmware Ver.2.55 and prior) allows a remote attacker to enable the debug option and to execute arbitrary code or OS commands, change the configuration, and cause a denial of service (DoS) condition.
Una funcionalidad Hidden en múltiples dispositivos de red de Buffalo (firmware de BHR-4RV Ver.2.55 y anteriores, firmware de FS-G54 Ver.2.04 y anteriores, firmware de WBR2-B11 Ver.2.32 y anteriores, firmware de WBR2-G54 Ver.2 .32 y anteriores, firmware de WBR2-G54-KD Ver.2.32 y anteriores, firmware de WBR-B11 Ver.2.23 y anteriores, firmware de WBR-G54 Ver.2.23 y anteriores, firmware de WBR-G54L Ver.2.20 y anteriores, firmware de WHR2-A54G54 Ver.2 .25 y anteriores, firmware de WHR2-G54 Ver.2.23 y anteriores, firmware de WHR2-G54V Ver.2.55 y anteriores, firmware de WHR3-AG54 Ver.2.23 y anteriores, firmware de WHR-G54 Ver.2.16 y anteriores, firmware de WHR-G54-NF Ver.2 .10 y anteriores, firmware de WLA2-G54 Ver.2.24 y anteriores, firmware de WLA2-G54C Ver.2.24 y anteriores, firmware de WLA-B11 Ver.2.20 y anteriores, firmware de WLA-G54 Ver.2.20 y anteriores, firmware de WLA-G54C Ver.2.20 y anteriores, firmware de WLAH-A54G54 Ver.2 .54 y anteriores, firmware de WLAH-AM54G54 Ver.2.54 y anteriores, firmware de WLAH-G54 Ver.2.54 y anteriores, firmware de WLI2-TX1-AG54 Ver.2.53 y anteriores, firmware de WLI2-TX1-AMG54 Ver.2.53 y anteriores, firmware de WLI2-TX1-G54 Ver.2 .20 y anteriores, firmware de WLI3-TX1-AMG54 Ver.2.53 y anteriores, firmware de WLI3-TX1-G54 Ver.2.53 y anteriores, firmware de WLI-T1-B11 Ver.2.20 y anteriores, firmware de WLI-TX1-G54 Ver.2.20 y anteriores, firmware de WVR-G54-NF Ver.2 .02 y anteriores, firmware de WZR-G108 Ver.2.41 y anteriores, firmware de WZR-G54 Ver.2.41 y anteriores, firmware de WZR-HP-G54 Ver.2.41 y anteriores, firmware de WZR-RS-G54 Ver.2.55 y anteriores, y firmware de WZR-RS-G54HP Ver.2.55 y anteriores) permite a un atacante remoto habilitar la opción de depuración y ejecutar código arbitrario o comandos del Sistema Operativo, cambiar la configuración, y causar una condición de denegación de servicio (DoS)
CVSS Scores
SSVC
- Decision:-
Timeline
- 2020-12-17 CVE Reserved
- 2021-04-28 CVE Published
- 2024-06-29 EPSS Updated
- 2024-08-03 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
CAPEC
References (2)
| URL | Tag | Source |
|---|---|---|
| https://jvn.jp/en/vu/JVNVU90274525/index.html | Third Party Advisory |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://www.buffalo.jp/news/detail/20210427-02.html | 2021-05-07 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Buffalo Search vendor "Buffalo" | Bhr-4rv Firmware Search vendor "Buffalo" for product "Bhr-4rv Firmware" | <= 2.55 Search vendor "Buffalo" for product "Bhr-4rv Firmware" and version " <= 2.55" | - |
Affected
| in | Buffalo Search vendor "Buffalo" | Bhr-4rv Search vendor "Buffalo" for product "Bhr-4rv" | - | - |
Safe
|
| Buffalo Search vendor "Buffalo" | Fs-g54 Firmware Search vendor "Buffalo" for product "Fs-g54 Firmware" | <= 2.04 Search vendor "Buffalo" for product "Fs-g54 Firmware" and version " <= 2.04" | - |
Affected
| in | Buffalo Search vendor "Buffalo" | Fs-g54 Search vendor "Buffalo" for product "Fs-g54" | - | - |
Safe
|
| Buffalo Search vendor "Buffalo" | Wbr2-b11 Firmware Search vendor "Buffalo" for product "Wbr2-b11 Firmware" | <= 2.32 Search vendor "Buffalo" for product "Wbr2-b11 Firmware" and version " <= 2.32" | - |
Affected
| in | Buffalo Search vendor "Buffalo" | Wbr2-b11 Search vendor "Buffalo" for product "Wbr2-b11" | - | - |
Safe
|
| Buffalo Search vendor "Buffalo" | Wbr2-g54 Firmware Search vendor "Buffalo" for product "Wbr2-g54 Firmware" | <= 2.32 Search vendor "Buffalo" for product "Wbr2-g54 Firmware" and version " <= 2.32" | - |
Affected
| in | Buffalo Search vendor "Buffalo" | Wbr2-g54 Search vendor "Buffalo" for product "Wbr2-g54" | - | - |
Safe
|
| Buffalo Search vendor "Buffalo" | Wbr2-g54-kd Firmware Search vendor "Buffalo" for product "Wbr2-g54-kd Firmware" | <= 2.32 Search vendor "Buffalo" for product "Wbr2-g54-kd Firmware" and version " <= 2.32" | - |
Affected
| in | Buffalo Search vendor "Buffalo" | Wbr2-g54-kd Search vendor "Buffalo" for product "Wbr2-g54-kd" | - | - |
Safe
|
| Buffalo Search vendor "Buffalo" | Wbr-b11 Firmware Search vendor "Buffalo" for product "Wbr-b11 Firmware" | <= 2.23 Search vendor "Buffalo" for product "Wbr-b11 Firmware" and version " <= 2.23" | - |
Affected
| in | Buffalo Search vendor "Buffalo" | Wbr-b11 Search vendor "Buffalo" for product "Wbr-b11" | - | - |
Safe
|
| Buffalo Search vendor "Buffalo" | Wbr-g54 Firmware Search vendor "Buffalo" for product "Wbr-g54 Firmware" | <= 2.23 Search vendor "Buffalo" for product "Wbr-g54 Firmware" and version " <= 2.23" | - |
Affected
| in | Buffalo Search vendor "Buffalo" | Wbr-g54 Search vendor "Buffalo" for product "Wbr-g54" | - | - |
Safe
|
| Buffalo Search vendor "Buffalo" | Wbr-g54l Firmware Search vendor "Buffalo" for product "Wbr-g54l Firmware" | <= 2.20 Search vendor "Buffalo" for product "Wbr-g54l Firmware" and version " <= 2.20" | - |
Affected
| in | Buffalo Search vendor "Buffalo" | Wbr-g54l Search vendor "Buffalo" for product "Wbr-g54l" | - | - |
Safe
|
| Buffalo Search vendor "Buffalo" | Whr2-a54g54 Firmware Search vendor "Buffalo" for product "Whr2-a54g54 Firmware" | <= 2.25 Search vendor "Buffalo" for product "Whr2-a54g54 Firmware" and version " <= 2.25" | - |
Affected
| in | Buffalo Search vendor "Buffalo" | Whr2-a54g54 Search vendor "Buffalo" for product "Whr2-a54g54" | - | - |
Safe
|
| Buffalo Search vendor "Buffalo" | Whr2-g54 Firmware Search vendor "Buffalo" for product "Whr2-g54 Firmware" | <= 2.23 Search vendor "Buffalo" for product "Whr2-g54 Firmware" and version " <= 2.23" | - |
Affected
| in | Buffalo Search vendor "Buffalo" | Whr2-g54 Search vendor "Buffalo" for product "Whr2-g54" | - | - |
Safe
|
| Buffalo Search vendor "Buffalo" | Whr2-g54v Firmware Search vendor "Buffalo" for product "Whr2-g54v Firmware" | <= 2.55 Search vendor "Buffalo" for product "Whr2-g54v Firmware" and version " <= 2.55" | - |
Affected
| in | Buffalo Search vendor "Buffalo" | Whr2-g54v Search vendor "Buffalo" for product "Whr2-g54v" | - | - |
Safe
|
| Buffalo Search vendor "Buffalo" | Whr3-ag54 Firmware Search vendor "Buffalo" for product "Whr3-ag54 Firmware" | <= 2.23 Search vendor "Buffalo" for product "Whr3-ag54 Firmware" and version " <= 2.23" | - |
Affected
| in | Buffalo Search vendor "Buffalo" | Whr3-ag54 Search vendor "Buffalo" for product "Whr3-ag54" | - | - |
Safe
|
| Buffalo Search vendor "Buffalo" | Whr-g54 Firmware Search vendor "Buffalo" for product "Whr-g54 Firmware" | <= 2.16 Search vendor "Buffalo" for product "Whr-g54 Firmware" and version " <= 2.16" | - |
Affected
| in | Buffalo Search vendor "Buffalo" | Whr-g54 Search vendor "Buffalo" for product "Whr-g54" | - | - |
Safe
|
| Buffalo Search vendor "Buffalo" | Whr-g54-nf Firmware Search vendor "Buffalo" for product "Whr-g54-nf Firmware" | <= 2.10 Search vendor "Buffalo" for product "Whr-g54-nf Firmware" and version " <= 2.10" | - |
Affected
| in | Buffalo Search vendor "Buffalo" | Whr-g54-nf Search vendor "Buffalo" for product "Whr-g54-nf" | - | - |
Safe
|
| Buffalo Search vendor "Buffalo" | Wla2-g54 Firmware Search vendor "Buffalo" for product "Wla2-g54 Firmware" | <= 2.24 Search vendor "Buffalo" for product "Wla2-g54 Firmware" and version " <= 2.24" | - |
Affected
| in | Buffalo Search vendor "Buffalo" | Wla2-g54 Search vendor "Buffalo" for product "Wla2-g54" | - | - |
Safe
|
| Buffalo Search vendor "Buffalo" | Wla2-g54c Firmware Search vendor "Buffalo" for product "Wla2-g54c Firmware" | <= 2.24 Search vendor "Buffalo" for product "Wla2-g54c Firmware" and version " <= 2.24" | - |
Affected
| in | Buffalo Search vendor "Buffalo" | Wla2-g54c Search vendor "Buffalo" for product "Wla2-g54c" | - | - |
Safe
|
| Buffalo Search vendor "Buffalo" | Wla-b11 Firmware Search vendor "Buffalo" for product "Wla-b11 Firmware" | <= 2.20 Search vendor "Buffalo" for product "Wla-b11 Firmware" and version " <= 2.20" | - |
Affected
| in | Buffalo Search vendor "Buffalo" | Wla-b11 Search vendor "Buffalo" for product "Wla-b11" | - | - |
Safe
|
| Buffalo Search vendor "Buffalo" | Wla-g54 Firmware Search vendor "Buffalo" for product "Wla-g54 Firmware" | <= 2.20 Search vendor "Buffalo" for product "Wla-g54 Firmware" and version " <= 2.20" | - |
Affected
| in | Buffalo Search vendor "Buffalo" | Wla-g54 Search vendor "Buffalo" for product "Wla-g54" | - | - |
Safe
|
| Buffalo Search vendor "Buffalo" | Wla-g54c Firmware Search vendor "Buffalo" for product "Wla-g54c Firmware" | <= 2.20 Search vendor "Buffalo" for product "Wla-g54c Firmware" and version " <= 2.20" | - |
Affected
| in | Buffalo Search vendor "Buffalo" | Wla-g54c Search vendor "Buffalo" for product "Wla-g54c" | - | - |
Safe
|
| Buffalo Search vendor "Buffalo" | Wlah-a54g54 Firmware Search vendor "Buffalo" for product "Wlah-a54g54 Firmware" | <= 2.54 Search vendor "Buffalo" for product "Wlah-a54g54 Firmware" and version " <= 2.54" | - |
Affected
| in | Buffalo Search vendor "Buffalo" | Wlah-a54g54 Search vendor "Buffalo" for product "Wlah-a54g54" | - | - |
Safe
|
| Buffalo Search vendor "Buffalo" | Wlah-am54g54 Firmware Search vendor "Buffalo" for product "Wlah-am54g54 Firmware" | <= 2.54 Search vendor "Buffalo" for product "Wlah-am54g54 Firmware" and version " <= 2.54" | - |
Affected
| in | Buffalo Search vendor "Buffalo" | Wlah-am54g54 Search vendor "Buffalo" for product "Wlah-am54g54" | - | - |
Safe
|
| Buffalo Search vendor "Buffalo" | Wlah-g54 Firmware Search vendor "Buffalo" for product "Wlah-g54 Firmware" | <= 2.54 Search vendor "Buffalo" for product "Wlah-g54 Firmware" and version " <= 2.54" | - |
Affected
| in | Buffalo Search vendor "Buffalo" | Wlah-g54 Search vendor "Buffalo" for product "Wlah-g54" | - | - |
Safe
|
| Buffalo Search vendor "Buffalo" | Wli2-tx1-ag54 Firmware Search vendor "Buffalo" for product "Wli2-tx1-ag54 Firmware" | <= 2.53 Search vendor "Buffalo" for product "Wli2-tx1-ag54 Firmware" and version " <= 2.53" | - |
Affected
| in | Buffalo Search vendor "Buffalo" | Wli2-tx1-ag54 Search vendor "Buffalo" for product "Wli2-tx1-ag54" | - | - |
Safe
|
| Buffalo Search vendor "Buffalo" | Wli2-tx1-amg54 Firmware Search vendor "Buffalo" for product "Wli2-tx1-amg54 Firmware" | <= 2.53 Search vendor "Buffalo" for product "Wli2-tx1-amg54 Firmware" and version " <= 2.53" | - |
Affected
| in | Buffalo Search vendor "Buffalo" | Wli2-tx1-amg54 Search vendor "Buffalo" for product "Wli2-tx1-amg54" | - | - |
Safe
|
| Buffalo Search vendor "Buffalo" | Wli2-tx1-g54 Firmware Search vendor "Buffalo" for product "Wli2-tx1-g54 Firmware" | <= 2.20 Search vendor "Buffalo" for product "Wli2-tx1-g54 Firmware" and version " <= 2.20" | - |
Affected
| in | Buffalo Search vendor "Buffalo" | Wli2-tx1-g54 Search vendor "Buffalo" for product "Wli2-tx1-g54" | - | - |
Safe
|
| Buffalo Search vendor "Buffalo" | Wli3-tx1-amg54 Firmware Search vendor "Buffalo" for product "Wli3-tx1-amg54 Firmware" | <= 2.53 Search vendor "Buffalo" for product "Wli3-tx1-amg54 Firmware" and version " <= 2.53" | - |
Affected
| in | Buffalo Search vendor "Buffalo" | Wli3-tx1-amg54 Search vendor "Buffalo" for product "Wli3-tx1-amg54" | - | - |
Safe
|
| Buffalo Search vendor "Buffalo" | Wli3-tx1-g54 Firmware Search vendor "Buffalo" for product "Wli3-tx1-g54 Firmware" | <= 2.53 Search vendor "Buffalo" for product "Wli3-tx1-g54 Firmware" and version " <= 2.53" | - |
Affected
| in | Buffalo Search vendor "Buffalo" | Wli3-tx1-g54 Search vendor "Buffalo" for product "Wli3-tx1-g54" | - | - |
Safe
|
| Buffalo Search vendor "Buffalo" | Wli-t1-b11 Firmware Search vendor "Buffalo" for product "Wli-t1-b11 Firmware" | <= 2.20 Search vendor "Buffalo" for product "Wli-t1-b11 Firmware" and version " <= 2.20" | - |
Affected
| in | Buffalo Search vendor "Buffalo" | Wli-t1-b11 Search vendor "Buffalo" for product "Wli-t1-b11" | - | - |
Safe
|
| Buffalo Search vendor "Buffalo" | Wli-tx1-g54 Firmware Search vendor "Buffalo" for product "Wli-tx1-g54 Firmware" | <= 2.20 Search vendor "Buffalo" for product "Wli-tx1-g54 Firmware" and version " <= 2.20" | - |
Affected
| in | Buffalo Search vendor "Buffalo" | Wli-tx1-g54 Search vendor "Buffalo" for product "Wli-tx1-g54" | - | - |
Safe
|
| Buffalo Search vendor "Buffalo" | Wvr-g54-nf Firmware Search vendor "Buffalo" for product "Wvr-g54-nf Firmware" | <= 2.02 Search vendor "Buffalo" for product "Wvr-g54-nf Firmware" and version " <= 2.02" | - |
Affected
| in | Buffalo Search vendor "Buffalo" | Wvr-g54-nf Search vendor "Buffalo" for product "Wvr-g54-nf" | - | - |
Safe
|
| Buffalo Search vendor "Buffalo" | Wzr-g108 Firmware Search vendor "Buffalo" for product "Wzr-g108 Firmware" | <= 2.41 Search vendor "Buffalo" for product "Wzr-g108 Firmware" and version " <= 2.41" | - |
Affected
| in | Buffalo Search vendor "Buffalo" | Wzr-g108 Search vendor "Buffalo" for product "Wzr-g108" | - | - |
Safe
|
| Buffalo Search vendor "Buffalo" | Wzr-g54 Firmware Search vendor "Buffalo" for product "Wzr-g54 Firmware" | <= 2.41 Search vendor "Buffalo" for product "Wzr-g54 Firmware" and version " <= 2.41" | - |
Affected
| in | Buffalo Search vendor "Buffalo" | Wzr-g54 Search vendor "Buffalo" for product "Wzr-g54" | - | - |
Safe
|
| Buffalo Search vendor "Buffalo" | Wzr-hp-g54 Firmware Search vendor "Buffalo" for product "Wzr-hp-g54 Firmware" | <= 2.41 Search vendor "Buffalo" for product "Wzr-hp-g54 Firmware" and version " <= 2.41" | - |
Affected
| in | Buffalo Search vendor "Buffalo" | Wzr-hp-g54 Search vendor "Buffalo" for product "Wzr-hp-g54" | - | - |
Safe
|
| Buffalo Search vendor "Buffalo" | Wzr-rs-g54 Firmware Search vendor "Buffalo" for product "Wzr-rs-g54 Firmware" | <= 2.55 Search vendor "Buffalo" for product "Wzr-rs-g54 Firmware" and version " <= 2.55" | - |
Affected
| in | Buffalo Search vendor "Buffalo" | Wzr-rs-g54 Search vendor "Buffalo" for product "Wzr-rs-g54" | - | - |
Safe
|
| Buffalo Search vendor "Buffalo" | Wzr-rs-g54hp Firmware Search vendor "Buffalo" for product "Wzr-rs-g54hp Firmware" | <= 2.55 Search vendor "Buffalo" for product "Wzr-rs-g54hp Firmware" and version " <= 2.55" | - |
Affected
| in | Buffalo Search vendor "Buffalo" | Wzr-rs-g54hp Search vendor "Buffalo" for product "Wzr-rs-g54hp" | - | - |
Safe
|