CVE-2026-2191

HIGH 7.2

Tenda AC9 formGetDdosDefenceList stack-based overflow

CVSS Score

7.2

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-121 CWE-119
Vendor	tenda
Product	ac9
Published	Feb 8, 2026
Last Updated	Feb 23, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

Tenda / AC9

15.03.06.42_multi

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

🔍 jfkk (VulDB User)