Tenda W12 httpd cgiWifiRadioSet stack-based 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 vulnerability was found in Tenda W12 3.0.0.5. It has been rated as critical. Affected by this issue is the function cgiWifiRadioSet of the file /bin/httpd. The manipulation leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
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 | W12 | 3.0.0.5 | — | No fix listed | CNA |
- W12 VendorTenda Affected 3.0.0.5 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-3693
- 2026-10-03 Alias added: GHSA-mxvx-cwcc-38xf
References
Exploit 1
Other 1
More Tenda W12 Firmware vulnerabilities
- TI-2025-03370 Tenda W12/i24 httpd cgiSysUplinkCheckSet stack-based overflow CVSS 4.0HIGH 8.7
- TI-2025-10584 Tenda W12 HTTP Request modules wifiMacFilterSet stack-based overflow CVSS 4.0HIGH 8.7
- TI-2025-03550 Tenda W12/i24 httpd modules cgidhcpsCfgSet stack-based overflow CVSS 4.0HIGH 8.7
- TI-2025-10585 Tenda W12 HTTP Request modules wifiScheduledSet null pointer dereference CVSS 4.0HIGH 7.1
- TI-2025-08967 Tenda W12 Administrative shadow hard-coded credentials CVSS 4.0LOW 1.8
- TI-2025-03353 Tenda W12/i24 httpd cgiSysScheduleRebootSet stack-based overflow CVSS 4.0HIGH 8.7
Sources
- CVE-2025-3693 · CVE Program
- CVE-2025-3693 · NVD
- FIRST EPSS
- GHSA-mxvx-cwcc-38xf · GitHub Advisory Database · CC BY 4.0
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