CVE-2021-3511
Severity Score
Exploit Likelihood
Affected Versions
Public Exploits
0Exploited in Wild
-Decision
Descriptions
Disclosure of sensitive information to an unauthorized user vulnerability in Buffalo broadband routers (BHR-4GRV firmware Ver.1.99 and prior, DWR-HP-G300NH firmware Ver.1.83 and prior, HW-450HP-ZWE firmware Ver.1.99 and prior, WHR-300HP firmware Ver.1.99 and prior, WHR-300 firmware Ver.1.99 and prior, WHR-G301N firmware Ver.1.86 and prior, WHR-HP-G300N firmware Ver.1.99 and prior, WHR-HP-GN firmware Ver.1.86 and prior, WPL-05G300 firmware Ver.1.87 and prior, WZR-450HP-CWT firmware Ver.1.99 and prior, WZR-450HP-UB firmware Ver.1.99 and prior, WZR-HP-AG300H firmware Ver.1.75 and prior, WZR-HP-G300NH firmware Ver.1.83 and prior, WZR-HP-G301NH firmware Ver.1.83 and prior, WZR-HP-G302H firmware Ver.1.85 and prior, WZR-HP-G450H firmware Ver.1.89 and prior, WZR-300HP firmware Ver.1.99 and prior, WZR-450HP firmware Ver.1.99 and prior, WZR-600DHP firmware Ver.1.99 and prior, WZR-D1100H firmware Ver.1.99 and prior, FS-HP-G300N firmware Ver.3.32 and prior, FS-600DHP firmware Ver.3.38 and prior, FS-R600DHP firmware Ver.3.39 and prior, and FS-G300N firmware Ver.3.13 and prior) allows remote unauthenticated attackers to obtain information such as configuration via unspecified vectors.
Una divulgación de información confidencial a una vulnerabilidad de usuario no autorizado en los enrutadores de banda ancha de Buffalo (firmware de BHR-4GRV Ver.1.99 y anterior, firmware de DWR-HP-G300NH Ver.1.83 y anterior, firmware HW-450HP-ZWE Ver.1.99 y anterior, WHR- Firmware 300HP Ver.1.99 y anteriores, firmware de WHR-300 Ver.1.99 y anteriores, firmware de WHR-G301N Ver.1.86 y anteriores, firmware de WHR-HP-G300N Ver.1.99 y anteriores, firmware de WHR-HP-GN Ver.1.86 y anterior, firmware de WPL-05G300 Ver.1.87 y anterior, firmware de WZR-450HP-CWT Ver.1.99 y anterior, firmware de WZR-450HP-UB Ver.1.99 y anterior, firmware de WZR-HP-AG300H Ver.1.75 y anterior, WZR- Firmware HP-G300NH Ver.1.83 y anterior, firmware de WZR-HP-G301NH Ver.1.83 y anterior, firmware de WZR-HP-G302H Ver.1.85 y anterior, firmware de WZR-HP-G450H Ver.1.89 y anterior, firmware de WZR-300HP Ver.1.99 y anteriores, firmware de WZR-450HP Ver.1.99 y anteriores, firmware de WZR-600DHP Ver.1.99 y anteriores, firmware de WZR-D1100H Ver.1.99 y anteriores, firmware FS-HP-G300N Ver.3.32 y anteriores, firmware FS-600DHP Ver.3.38 y anteriores, firmware FS-R600DHP Ver.3.39 y anteriores, y el firmware de FS-G300N Ver.3.13 y anteriores) permite a atacantes remotos no autenticados obtener información como la configuración por medio de vectores no especificados
CVSS Scores
SSVC
- Decision:-
Timeline
- 2021-04-22 CVE Reserved
- 2021-04-28 CVE Published
- 2024-05-01 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/JVNVU99235714/index.html | Third Party Advisory |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://www.buffalo.jp/news/detail/20210427-01.html | 2022-07-12 |
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-4grv Firmware Search vendor "Buffalo" for product "Bhr-4grv Firmware" | < 2.00 Search vendor "Buffalo" for product "Bhr-4grv Firmware" and version " < 2.00" | - |
Affected
| in | Buffalo Search vendor "Buffalo" | Bhr-4grv Search vendor "Buffalo" for product "Bhr-4grv" | - | - |
Safe
|
| Buffalo Search vendor "Buffalo" | Dwr-hp-g300nh Firmware Search vendor "Buffalo" for product "Dwr-hp-g300nh Firmware" | < 1.84 Search vendor "Buffalo" for product "Dwr-hp-g300nh Firmware" and version " < 1.84" | - |
Affected
| in | Buffalo Search vendor "Buffalo" | Dwr-hp-g300nh Search vendor "Buffalo" for product "Dwr-hp-g300nh" | - | - |
Safe
|
| Buffalo Search vendor "Buffalo" | Hw-450hp-zwe Firmware Search vendor "Buffalo" for product "Hw-450hp-zwe Firmware" | < 2.00 Search vendor "Buffalo" for product "Hw-450hp-zwe Firmware" and version " < 2.00" | - |
Affected
| in | Buffalo Search vendor "Buffalo" | Hw-450hp-zwe Search vendor "Buffalo" for product "Hw-450hp-zwe" | - | - |
Safe
|
| Buffalo Search vendor "Buffalo" | Whr-300hp Firmware Search vendor "Buffalo" for product "Whr-300hp Firmware" | < 2.00 Search vendor "Buffalo" for product "Whr-300hp Firmware" and version " < 2.00" | - |
Affected
| in | Buffalo Search vendor "Buffalo" | Whr-300hp Search vendor "Buffalo" for product "Whr-300hp" | - | - |
Safe
|
| Buffalo Search vendor "Buffalo" | Whr-300 Firmware Search vendor "Buffalo" for product "Whr-300 Firmware" | < 2.00 Search vendor "Buffalo" for product "Whr-300 Firmware" and version " < 2.00" | - |
Affected
| in | Buffalo Search vendor "Buffalo" | Whr-300 Search vendor "Buffalo" for product "Whr-300" | - | - |
Safe
|
| Buffalo Search vendor "Buffalo" | Whr-g301n Firmware Search vendor "Buffalo" for product "Whr-g301n Firmware" | < 1.87 Search vendor "Buffalo" for product "Whr-g301n Firmware" and version " < 1.87" | - |
Affected
| in | Buffalo Search vendor "Buffalo" | Whr-g301n Search vendor "Buffalo" for product "Whr-g301n" | - | - |
Safe
|
| Buffalo Search vendor "Buffalo" | Whr-hp-g300n Firmware Search vendor "Buffalo" for product "Whr-hp-g300n Firmware" | < 2.00 Search vendor "Buffalo" for product "Whr-hp-g300n Firmware" and version " < 2.00" | - |
Affected
| in | Buffalo Search vendor "Buffalo" | Whr-hp-g300n Search vendor "Buffalo" for product "Whr-hp-g300n" | - | - |
Safe
|
| Buffalo Search vendor "Buffalo" | Whr-hp-gn Firmware Search vendor "Buffalo" for product "Whr-hp-gn Firmware" | < 1.87 Search vendor "Buffalo" for product "Whr-hp-gn Firmware" and version " < 1.87" | - |
Affected
| in | Buffalo Search vendor "Buffalo" | Whr-hp-gn Search vendor "Buffalo" for product "Whr-hp-gn" | - | - |
Safe
|
| Buffalo Search vendor "Buffalo" | Wpl-05g300 Firmware Search vendor "Buffalo" for product "Wpl-05g300 Firmware" | < 1.88 Search vendor "Buffalo" for product "Wpl-05g300 Firmware" and version " < 1.88" | - |
Affected
| in | Buffalo Search vendor "Buffalo" | Wpl-05g300 Search vendor "Buffalo" for product "Wpl-05g300" | - | - |
Safe
|
| Buffalo Search vendor "Buffalo" | Wzr-450hp-cwt Firmware Search vendor "Buffalo" for product "Wzr-450hp-cwt Firmware" | < 2.00 Search vendor "Buffalo" for product "Wzr-450hp-cwt Firmware" and version " < 2.00" | - |
Affected
| in | Buffalo Search vendor "Buffalo" | Wzr-450hp-cwt Search vendor "Buffalo" for product "Wzr-450hp-cwt" | - | - |
Safe
|
| Buffalo Search vendor "Buffalo" | Wzr-450hp-ub Firmware Search vendor "Buffalo" for product "Wzr-450hp-ub Firmware" | < 2.00 Search vendor "Buffalo" for product "Wzr-450hp-ub Firmware" and version " < 2.00" | - |
Affected
| in | Buffalo Search vendor "Buffalo" | Wzr-450hp-ub Search vendor "Buffalo" for product "Wzr-450hp-ub" | - | - |
Safe
|
| Buffalo Search vendor "Buffalo" | Wzr-hp-ag300h Firmware Search vendor "Buffalo" for product "Wzr-hp-ag300h Firmware" | < 1.76 Search vendor "Buffalo" for product "Wzr-hp-ag300h Firmware" and version " < 1.76" | - |
Affected
| in | Buffalo Search vendor "Buffalo" | Wzr-hp-ag300h Search vendor "Buffalo" for product "Wzr-hp-ag300h" | - | - |
Safe
|
| Buffalo Search vendor "Buffalo" | Wzr-hp-g300nh Firmware Search vendor "Buffalo" for product "Wzr-hp-g300nh Firmware" | < 1.84 Search vendor "Buffalo" for product "Wzr-hp-g300nh Firmware" and version " < 1.84" | - |
Affected
| in | Buffalo Search vendor "Buffalo" | Wzr-hp-g300nh Search vendor "Buffalo" for product "Wzr-hp-g300nh" | - | - |
Safe
|
| Buffalo Search vendor "Buffalo" | Wzr-hp-g301nh Firmware Search vendor "Buffalo" for product "Wzr-hp-g301nh Firmware" | < 1.84 Search vendor "Buffalo" for product "Wzr-hp-g301nh Firmware" and version " < 1.84" | - |
Affected
| in | Buffalo Search vendor "Buffalo" | Wzr-hp-g301nh Search vendor "Buffalo" for product "Wzr-hp-g301nh" | - | - |
Safe
|
| Buffalo Search vendor "Buffalo" | Wzr-hp-g302h Firmware Search vendor "Buffalo" for product "Wzr-hp-g302h Firmware" | < 1.86 Search vendor "Buffalo" for product "Wzr-hp-g302h Firmware" and version " < 1.86" | - |
Affected
| in | Buffalo Search vendor "Buffalo" | Wzr-hp-g302h Search vendor "Buffalo" for product "Wzr-hp-g302h" | - | - |
Safe
|
| Buffalo Search vendor "Buffalo" | Wzr-hp-g450h Firmware Search vendor "Buffalo" for product "Wzr-hp-g450h Firmware" | < 1.90 Search vendor "Buffalo" for product "Wzr-hp-g450h Firmware" and version " < 1.90" | - |
Affected
| in | Buffalo Search vendor "Buffalo" | Wzr-hp-g450h Search vendor "Buffalo" for product "Wzr-hp-g450h" | - | - |
Safe
|
| Buffalo Search vendor "Buffalo" | Wzr-300hp Firmware Search vendor "Buffalo" for product "Wzr-300hp Firmware" | < 2.00 Search vendor "Buffalo" for product "Wzr-300hp Firmware" and version " < 2.00" | - |
Affected
| in | Buffalo Search vendor "Buffalo" | Wzr-300hp Search vendor "Buffalo" for product "Wzr-300hp" | - | - |
Safe
|
| Buffalo Search vendor "Buffalo" | Wzr-450hp Firmware Search vendor "Buffalo" for product "Wzr-450hp Firmware" | < 2.00 Search vendor "Buffalo" for product "Wzr-450hp Firmware" and version " < 2.00" | - |
Affected
| in | Buffalo Search vendor "Buffalo" | Wzr-450hp Search vendor "Buffalo" for product "Wzr-450hp" | - | - |
Safe
|
| Buffalo Search vendor "Buffalo" | Wzr-600dhp Firmware Search vendor "Buffalo" for product "Wzr-600dhp Firmware" | < 2.00 Search vendor "Buffalo" for product "Wzr-600dhp Firmware" and version " < 2.00" | - |
Affected
| in | Buffalo Search vendor "Buffalo" | Wzr-600dhp Search vendor "Buffalo" for product "Wzr-600dhp" | - | - |
Safe
|
| Buffalo Search vendor "Buffalo" | Wzr-d1100h Firmware Search vendor "Buffalo" for product "Wzr-d1100h Firmware" | < 2.00 Search vendor "Buffalo" for product "Wzr-d1100h Firmware" and version " < 2.00" | - |
Affected
| in | Buffalo Search vendor "Buffalo" | Wzr-d1100h Search vendor "Buffalo" for product "Wzr-d1100h" | - | - |
Safe
|
| Buffalo Search vendor "Buffalo" | Fs-hp-g300n Firmware Search vendor "Buffalo" for product "Fs-hp-g300n Firmware" | < 3.33 Search vendor "Buffalo" for product "Fs-hp-g300n Firmware" and version " < 3.33" | - |
Affected
| in | Buffalo Search vendor "Buffalo" | Fs-hp-g300n Search vendor "Buffalo" for product "Fs-hp-g300n" | - | - |
Safe
|
| Buffalo Search vendor "Buffalo" | Fs-600dhp Firmware Search vendor "Buffalo" for product "Fs-600dhp Firmware" | < 3.40 Search vendor "Buffalo" for product "Fs-600dhp Firmware" and version " < 3.40" | - |
Affected
| in | Buffalo Search vendor "Buffalo" | Fs-600dhp Search vendor "Buffalo" for product "Fs-600dhp" | - | - |
Safe
|
| Buffalo Search vendor "Buffalo" | Fs-r600dhp Firmware Search vendor "Buffalo" for product "Fs-r600dhp Firmware" | < 3.40 Search vendor "Buffalo" for product "Fs-r600dhp Firmware" and version " < 3.40" | - |
Affected
| in | Buffalo Search vendor "Buffalo" | Fs-r600dhp Search vendor "Buffalo" for product "Fs-r600dhp" | - | - |
Safe
|
| Buffalo Search vendor "Buffalo" | Fs-g300n Firmware Search vendor "Buffalo" for product "Fs-g300n Firmware" | < 3.14 Search vendor "Buffalo" for product "Fs-g300n Firmware" and version " < 3.14" | - |
Affected
| in | Buffalo Search vendor "Buffalo" | Fs-g300n Search vendor "Buffalo" for product "Fs-g300n" | - | - |
Safe
|