CVE-2025-11324 HIGH

CVE-2025-11324: Tenda AC18 setNotUpgrade stack-based overflow

Vendor Tenda
Product AC18
Weakness CWE-121
Published October 6, 2025
Last update February 24, 2026

CVSS base score

8.7/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

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

What the vulnerability does

01Description

A vulnerability was identified in Tenda AC18 15.03.05.19(6318). Affected by this vulnerability is an unknown functionality of the file /goform/setNotUpgrade. Such manipulation of the argument newVersion leads to stack-based buffer overflow. The attack can be executed remotely. The exploit is publicly available and might be used.

Key dates

02Disclosure timeline

October 6, 2025 CVE published
February 24, 2026 Record updated