There is a stack-based buffer overflow on some Tenda routers (FH1202/F1202/F1200…
Priority LOW 17CWE-119Published · Updated
Key facts
- Attack vector
- Adjacent network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Low
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA.
Summary
There is a stack-based buffer overflow on some Tenda routers (FH1202/F1202/F1200: versions before 1.2.0.20). Crafted POST requests to an unspecified URL result in DoS, interrupting the HTTP service (used to login to the web UI of a router) for 1 to 2 seconds.
Why it matters now
EPSS 0.00373 31st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:tendacn:f1200_firmware:*:*:*:*:*:*:*:* | up to 1.2.0.19 | Vulnerable | Tendacn |
| cpe:2.3:h:tendacn:f1200:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Tendacn |
| cpe:2.3:o:tendacn:fh1202_firmware:*:*:*:*:*:*:*:* | up to 1.2.0.19 | Vulnerable | Tendacn |
| cpe:2.3:h:tendacn:fh1202:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Tendacn |
| cpe:2.3:o:tendacn:f1202_firmware:*:*:*:*:*:*:*:* | up to 1.2.0.19 | Vulnerable | Tendacn |
| cpe:2.3:h:tendacn:f1202:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Tendacn |
- cpe:2.3:o:tendacn:f1200_firmware:*:*:*:*:*:*:*:* Versions up to 1.2.0.19 Vulnerable ·Tendacn
- cpe:2.3:h:tendacn:f1200:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Tendacn
- cpe:2.3:o:tendacn:fh1202_firmware:*:*:*:*:*:*:*:* Versions up to 1.2.0.19 Vulnerable ·Tendacn
- cpe:2.3:h:tendacn:fh1202:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Tendacn
- cpe:2.3:o:tendacn:f1202_firmware:*:*:*:*:*:*:*:* Versions up to 1.2.0.19 Vulnerable ·Tendacn
- cpe:2.3:h:tendacn:f1202:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Tendacn
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2017-9139
- 2026-10-03 Alias added: GHSA-7583-x64h-hpx6
References
Advisory 1
More Tendacn F1200 Firmware vulnerabilities
- TI-2017-06589 There is a debug-interface vulnerability on some Tenda routers (FH1202/F1202/F1200… CVSS 3.0HIGH 8.0
Sources
- CVE-2017-9139 · CVE Program
- CVE-2017-9139 · NVD
- FIRST EPSS
- GHSA-7583-x64h-hpx6 · GitHub Advisory Database · CC BY 4.0
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