Tenda F453 Telnet Service telnet TendaTelnet command injection
Key facts
- Attack vector
- Network
- Privileges required
- Low
- 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 vulnerability has been found in Tenda F453 up to 1.0.0.3. Impacted is the function TendaTelnet of the file /goform/telnet of the component Telnet Service. Such manipulation leads to command injection. It is possible to launch the attack 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 | F453 | 1.0.0.0; 1.0.0.1; 1.0.0.2; 1.0.0.3 | — | No fix listed | CNA |
- F453 VendorTenda Affected 1.0.0.0; 1.0.0.1; 1.0.0.2; 1.0.0.3 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-6989
- 2026-10-03 Alias added: GHSA-g649-hgqw-vrxr
- 2026-10-25 EPSS moved to the 50th–90th percentile
References
More Tenda F453 Firmware vulnerabilities
- TI-2026-02916 Tenda F453 L7Im frmL7ImForm buffer overflow CVSS 4.0HIGH 8.7
- TI-2026-02915 Tenda F453 SetIpBind fromSetIpBind buffer overflow CVSS 4.0HIGH 8.7
- TI-2026-02914 Tenda F453 qossetting fromqossetting buffer overflow CVSS 4.0HIGH 8.7
- TI-2026-02913 Tenda F453 SafeUrlFilter fromSafeUrlFilter buffer overflow CVSS 4.0HIGH 8.7
- TI-2026-02912 Tenda F453 SafeMacFilter fromSafeMacFilter buffer overflow CVSS 4.0HIGH 8.7
- TI-2026-04379 Tenda F453 httpd PPTPUserSetting fromPPTPUserSetting stack-based overflow CVSS 4.0HIGH 8.7
Sources
- CVE-2026-6989 · CVE Program
- CVE-2026-6989 · NVD
- FIRST EPSS
- GHSA-g649-hgqw-vrxr · 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