CVE-2026-2191

high

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.

References

https://www.tenda.com.cn/

https://vuldb.com/?submit.749800

https://vuldb.com/?id.344894

https://vuldb.com/?ctiid.344894

https://github.com/glkfc/IoT-Vulnerability/blob/main/Tenda/tenda3.md

Details

Source: Mitre, NVD

Published: 2026-02-08

Updated: 2026-02-08

Risk Information

CVSS v2

Base Score: 8.3

Vector: CVSS2#AV:N/AC:L/Au:M/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 7.2

Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Severity: High

CVSS v4

Base Score: 8.6

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Severity: High