CVE-2026-4974: A flaw has been found in Tenda AC7 15.03.06.44. Affected by this issue is the function fromSetSysTime of the file…
CVE-2026-4974 · Severity: high · CVSS 8.8 · Published 2026-03-27
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.
No. Junglewise Threat Intelligence has no report of CVE-2026-4974 being exploited in the wild.
How severe is CVE-2026-4974?
High severity, with a CVSS score of 8.8, published 27 March 2026.
Which products and versions are affected?
Tenda Ac7, Tenda Ac7 Firmware. The advisory does not name versions.
Is there a fix for CVE-2026-4974?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
Am I affected by CVE-2026-4974?
Check whether you run Tenda Ac7 or Tenda Ac7 Firmware. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.