CVE-2026-5830 HIGH

CVE-2026-5830: Tenda AC15 SysToolChangePwd websGetVar stack-based overflow

Vendor Tenda
Product AC15
Weakness CWE-121
Published April 9, 2026
Last update April 9, 2026
View on NVD All CVEs

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 AC15 15.03.05.18. This affects the function websGetVar of the file /goform/SysToolChangePwd. Such manipulation of the argument oldPwd/newPwd/cfmPwd 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

April 9, 2026 CVE published
April 9, 2026 Record updated