Tenda AC6 httpd WifiExtraSet fromSetWirelessRepeat os command injection
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-77.
Summary
A security flaw has been discovered in Tenda AC6 15.03.06.49_multi_TDE01. Affected is the function fromSetWirelessRepeat of the file /goform/WifiExtraSet of the component httpd. Performing a manipulation of the argument mac/ssid results in os command injection. It is possible to initiate the attack remotely. The exploit has been released to the public and may be used for attacks.
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 | AC6 | 15.03.06.49_multi_TDE01 | — | No fix listed | CNA |
- AC6 VendorTenda Affected 15.03.06.49_multi_TDE01 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-8263
- 2026-10-03 Alias added: GHSA-49r7-qrrc-gw83
- 2026-10-07 EPSS moved to the 95th–99th percentile
- 2026-10-25 EPSS moved to the 90th–95th percentile
References
More Tenda Ac10u Firmware vulnerabilities
- TI-2024-00852 Tenda AC10U formSetPPTPServer stack-based overflow CVSS 3.1CRITICAL 9.8
- TI-2024-02663 Tenda AC10U setsambacfg formSetSambaConf os command injection CVSS 3.1CRITICAL 9.8
- TI-2025-13895 Tenda AC10U POST Request Parameter AdvSetLanip fromadvsetlanip buffer overflow CVSS 4.0HIGH 8.7
- TI-2025-13892 Tenda AC10U HTTP POST Request setPptpUserList formSetPPTPUserList buffer overflow CVSS 4.0HIGH 8.7
- TI-2024-02523 Tenda AC10U openSchedWifi setSchedWifi stack-based overflow CVSS 3.1HIGH 8.8
- TI-2024-02522 Tenda AC10U SetStaticRouteCfg fromSetRouteStatic stack-based overflow CVSS 3.1HIGH 8.8
Sources
- CVE-2026-8263 · CVE Program
- CVE-2026-8263 · NVD
- FIRST EPSS
- GHSA-49r7-qrrc-gw83 · 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