CVE-2026-4974 HIGH

CVE-2026-4974: Tenda AC7 POST Request SetSysTimeCfg fromSetSysTime memory corruption

Vendor Tenda
Product AC7
Weakness CWE-121
Published March 27, 2026
Last update March 31, 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 flaw has been found in Tenda AC7 15.03.06.44. Affected by this issue is the function fromSetSysTime of the file /goform/SetSysTimeCfg of the component POST Request Handler. Executing a manipulation of the argument Time can lead to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been published and may be used.

Key dates

02Disclosure timeline

March 27, 2026 CVE published
March 31, 2026 Record updated