What’s Vulnerable › Vulnerabilities

CVE-2026-2191: Tenda AC9 formGetDdosDefenceList stack-based overflow

• Severity: high (CVSS 7.2 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-02-08 · updated 2026-06-17
• Weakness: CWE-119

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.

Affected products

• Tenda AC9: 15.03.06.42_multi

References

• https://github.com/glkfc/IoT-Vulnerability/blob/main/Tenda/tenda3.md
• https://vuldb.com/?ctiid.344894
• https://vuldb.com/?id.344894
• https://vuldb.com/?submit.749800
• https://www.tenda.com.cn/

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