Tenda HG3 formIPv6Routing formUploadConfig 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 determined in Tenda HG3 2.0. Impacted is the function formUploadConfig of the file /boaform/formIPv6Routing. This manipulation of the argument destNet causes stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been publicly disclosed and may be utilized.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Total
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 | HG3 | 2.0 | — | No fix listed | CNA |
- HG3 VendorTenda Affected 2.0 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-7151
- 2026-10-03 Alias added: GHSA-ppw9-xjgw-3j5g
References
More Tenda Hg3 Firmware vulnerabilities
- TI-2026-06283 Tenda HG3 formTracert command injection CVSS 4.0HIGH 8.7
- TI-2026-06242 Tenda HG3 formCountrystr os command injection CVSS 4.0HIGH 8.7
- TI-2026-06220 Tenda HG3 formgponConf os command injection CVSS 4.0HIGH 8.7
Sources
- CVE-2026-7151 · CVE Program
- CVE-2026-7151 · NVD
- FIRST EPSS
- GHSA-ppw9-xjgw-3j5g · GitHub Advisory Database · CC BY 4.0
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