Tenda AC8 SetServerConfig formSetServerConfig buffer overflow
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.
Summary
A weakness has been identified in Tenda AC8 16.03.34.06. The affected element is the function formSetServerConfig of the file /goform/SetServerConfig. Executing manipulation can lead to buffer overflow. It is possible to launch the attack remotely. The exploit has been made available to the public and could be exploited.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Tenda | AC8 | 16.03.34.06 | — | No fix listed | CNA |
- AC8 VendorTenda Affected 16.03.34.06 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-11120
- 2026-10-03 Alias added: GHSA-62cc-6mpf-6rxc
- 2026-10-18 EPSS moved to the 90th–95th percentile
References
More Tenda Ac18 Firmware vulnerabilities
- TI-2024-37948 Tenda AC18 V15.03.05.19 was discovered to contain a stack overflow via the startIP… CVSS 3.1CRITICAL 9.8
- TI-2024-37947 Tenda AC18 V15.03.05.19 was discovered to contain a stack overflow via the firewallEn… CVSS 3.1CRITICAL 9.8
- TI-2024-37946 Tenda AC18 V15.03.05.19 was discovered to contain a stack overflow via the devName… CVSS 3.1CRITICAL 9.8
- TI-2024-37945 Tenda AC18 V15.03.05.19 was discovered to contain a stack overflow via the limitSpeedUp… CVSS 3.1CRITICAL 9.8
- TI-2024-37942 Tenda AC18 V15.03.05.19 was discovered to contain a stack overflow via the ssid parameter… CVSS 3.1CRITICAL 9.8
- TI-2024-22327 Tenda AC18 V15.03.05.05 has a stack overflow vulnerability in the remoteIp parameter from formSetSafeWanWebMan function. CVSS 3.1CRITICAL 9.8
Sources
- CVE-2025-11120 · CVE Program
- CVE-2025-11120 · NVD
- FIRST EPSS
- GHSA-62cc-6mpf-6rxc · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences