CVE-2020-25757
Severity Score
8.8
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
A lack of input validation and access controls in Lua CGIs on D-Link DSR VPN routers may result in arbitrary input being passed to system command APIs, resulting in arbitrary command execution with root privileges. This affects DSR-150, DSR-250, DSR-500, and DSR-1000AC with firmware 3.14 and 3.17.
Una falta de comprobación de entrada y controles de acceso en Lua CGI en enrutadores D-Link DSR VPN, puede resultar en una entrada arbitraria que es pasada a las API de comando del sistema, resultando en una ejecución de comandos arbitrarios con privilegios root. Esto afecta a DSR-150, DSR-250, DSR-500 y DSR-1000AC con versiones de firmware 3.14 y 3.17
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2020-09-18 CVE Reserved
- 2020-12-15 CVE Published
- 2024-08-04 CVE Updated
- 2024-10-19 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-20: Improper Input Validation
- CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
CAPEC
References (3)
| URL | Tag | Source |
|---|---|---|
| https://www.digitaldefense.com/news/zero-day-vuln-d-link-vpn-routers | Third Party Advisory |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10195 | 2021-07-21 | |
| https://www.dlink.com/en/security-bulletin | 2021-07-21 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Dlink Search vendor "Dlink" | Dsr-150 Firmware Search vendor "Dlink" for product "Dsr-150 Firmware" | <= 3.17 Search vendor "Dlink" for product "Dsr-150 Firmware" and version " <= 3.17" | - |
Affected
| in | Dlink Search vendor "Dlink" | Dsr-150 Search vendor "Dlink" for product "Dsr-150" | - | - |
Safe
|
| Dlink Search vendor "Dlink" | Dsr-150n Firmware Search vendor "Dlink" for product "Dsr-150n Firmware" | <= 3.17 Search vendor "Dlink" for product "Dsr-150n Firmware" and version " <= 3.17" | - |
Affected
| in | Dlink Search vendor "Dlink" | Dsr-150n Search vendor "Dlink" for product "Dsr-150n" | - | - |
Safe
|
| Dlink Search vendor "Dlink" | Dsr-250 Firmware Search vendor "Dlink" for product "Dsr-250 Firmware" | <= 3.17 Search vendor "Dlink" for product "Dsr-250 Firmware" and version " <= 3.17" | - |
Affected
| in | Dlink Search vendor "Dlink" | Dsr-250 Search vendor "Dlink" for product "Dsr-250" | - | - |
Safe
|
| Dlink Search vendor "Dlink" | Dsr-250n Firmware Search vendor "Dlink" for product "Dsr-250n Firmware" | <= 3.17 Search vendor "Dlink" for product "Dsr-250n Firmware" and version " <= 3.17" | - |
Affected
| in | Dlink Search vendor "Dlink" | Dsr-250n Search vendor "Dlink" for product "Dsr-250n" | - | - |
Safe
|
| Dlink Search vendor "Dlink" | Dsr-500 Firmware Search vendor "Dlink" for product "Dsr-500 Firmware" | <= 3.17 Search vendor "Dlink" for product "Dsr-500 Firmware" and version " <= 3.17" | - |
Affected
| in | Dlink Search vendor "Dlink" | Dsr-500 Search vendor "Dlink" for product "Dsr-500" | - | - |
Safe
|
| Dlink Search vendor "Dlink" | Dsr-500n Firmware Search vendor "Dlink" for product "Dsr-500n Firmware" | * | - |
Affected
| in | Dlink Search vendor "Dlink" | Dsr-500n Search vendor "Dlink" for product "Dsr-500n" | - | - |
Safe
|
| Dlink Search vendor "Dlink" | Dsr-500ac Firmware Search vendor "Dlink" for product "Dsr-500ac Firmware" | <= 3.17 Search vendor "Dlink" for product "Dsr-500ac Firmware" and version " <= 3.17" | - |
Affected
| in | Dlink Search vendor "Dlink" | Dsr-500ac Search vendor "Dlink" for product "Dsr-500ac" | - | - |
Safe
|
| Dlink Search vendor "Dlink" | Dsr-1000 Firmware Search vendor "Dlink" for product "Dsr-1000 Firmware" | <= 3.17 Search vendor "Dlink" for product "Dsr-1000 Firmware" and version " <= 3.17" | - |
Affected
| in | Dlink Search vendor "Dlink" | Dsr-1000 Search vendor "Dlink" for product "Dsr-1000" | - | - |
Safe
|
| Dlink Search vendor "Dlink" | Dsr-1000n Firmware Search vendor "Dlink" for product "Dsr-1000n Firmware" | <= 3.17 Search vendor "Dlink" for product "Dsr-1000n Firmware" and version " <= 3.17" | - |
Affected
| in | Dlink Search vendor "Dlink" | Dsr-1000n Search vendor "Dlink" for product "Dsr-1000n" | - | - |
Safe
|
| Dlink Search vendor "Dlink" | Dsr-1000ac Firmware Search vendor "Dlink" for product "Dsr-1000ac Firmware" | <= 3.17 Search vendor "Dlink" for product "Dsr-1000ac Firmware" and version " <= 3.17" | - |
Affected
| in | Dlink Search vendor "Dlink" | Dsr-1000ac Search vendor "Dlink" for product "Dsr-1000ac" | - | - |
Safe
|