Vulnerability Description
A weakness has been identified in Tenda AC9 15.03.06.42_multi. Affected is the function formGetDdosDefenceList. This manipulation of the argument security.ddos.map causes stack-based buffer overflow. The attack may be initiated remotely. The exploit has been made available to the public and could be used for attacks.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Tenda | Ac9 Firmware | 15.03.06.42_multi |
| Tenda | Ac9 | - |
Related Weaknesses (CWE)
References
- https://github.com/glkfc/IoT-Vulnerability/blob/main/Tenda/tenda3.mdExploitThird Party Advisory
- https://vuldb.com/?ctiid.344894Permissions RequiredVDB Entry
- https://vuldb.com/?id.344894Third Party AdvisoryVDB Entry
- https://vuldb.com/?submit.749800Third Party AdvisoryVDB Entry
- https://www.tenda.com.cn/Product
FAQ
What is CVE-2026-2191?
CVE-2026-2191 is a vulnerability with a CVSS score of 7.2 (HIGH). A weakness has been identified in Tenda AC9 15.03.06.42_multi. Affected is the function formGetDdosDefenceList. This manipulation of the argument security.ddos.map causes stack-based buffer overflow. ...
How severe is CVE-2026-2191?
CVE-2026-2191 has been rated HIGH with a CVSS base score of 7.2/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-2191?
Check the references section above for vendor advisories and patch information. Affected products include: Tenda Ac9 Firmware, Tenda Ac9.