Tenda W12 Administrative shadow hard-coded credentials
Key facts
- Attack vector
- Local
- Privileges required
- High
- User interaction
- None
- Attack complexity
- High
- Attack requirements
- None
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-259.
Summary
A security vulnerability has been detected in Tenda W12 up to 3.0.0.6(3948). Affected is an unknown function of the file /etc_ro/shadow of the component Administrative Interface. The manipulation leads to hard-coded credentials. An attack has to be approached locally. The complexity of an attack is rather high. The exploitability is told to be difficult. The exploit has been disclosed publicly 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 | 1.0.0.1(5411); 1.0.0.5(9419); 2.0.0.3(8326); 2.0.0.6(10720); 3.0.0.5(3644); 3.0.0.6(3948) | — | No fix listed | CNA |
- W12 VendorTenda Affected 1.0.0.1(5411); 1.0.0.5(9419); 2.0.0.3(8326); 2.0.0.6(10720); 3.0.0.5(3644); 3.0.0.6(3948) Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-9778
- 2026-10-03 Alias added: GHSA-pqv8-r6wh-f24x
References
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-2025-03254 Tenda W12 httpd cgiWifiRadioSet 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-2025-03353 Tenda W12/i24 httpd cgiSysScheduleRebootSet stack-based overflow CVSS 4.0HIGH 8.7
Sources
- CVE-2025-9778 · CVE Program
- CVE-2025-9778 · NVD
- FIRST EPSS
- GHSA-pqv8-r6wh-f24x · GitHub Advisory Database · CC BY 4.0
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