CVE-2026-2191

Tenda AC9 formGetDdosDefenceList stack-based overflow

Published: Feb 8, 2026Updated: Feb 10, 2026 Sources: CVE List NVD BDUCWE-119

7.2HIGH

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.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:LAttack Complexity

Low

PR:HPrivileges Required

High

UI:NUser Interaction

None

Scope

S:UScope

Unchanged

Impact

C:HConfidentiality

High

I:HIntegrity

High

A:HAvailability

High

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Weaknesses

CWE-119 CWE-121

Affected Products

Tenda

commercial·CN

ac9 firmware

Networking Infrastructure

AC9

Networking Infrastructure

Shenzhen Tenda Technology Co., Ltd.

commercial·CNaka tenda

Tenda AC9On-premNetwork Device

Networking Infrastructure / router-switch

Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details

Official Patch Available

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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques

Initial Access

Privilege Escalation

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References

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

github.com

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

vuldb.com

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

vuldb.com

and 2 more references View all →

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