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CVE-2026-2191

Published: Feb 8, 2026

Modified: Feb 23, 2026

PUBLISHED

CVSS v3.1

7.2

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.

Vendor	Product	Versions
Tenda	AC9	affected `15.03.06.42_multi`

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

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

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

References

VDB-344894 | Tenda AC9 formGetDdosDefenceList stack-based overflow

vdb-entry

technical-description

VDB-344894 | CTI Indicators (IOB, IOC, IOA)

signature

permissions-required

Submit #749800 | Tenda AC9 v1.0/V3.0 V15.03.06.42_multi Stack-based Buffer Overflow

third-party-advisory

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

exploit

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

product

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