CVE-2026-4974: A flaw has been found in Tenda AC7 15.03.06.44
CVE-2026-4974 is a high-severity flaw (CVSS 8.8) affecting ac7 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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.
Why this priority
- High severity
- Public exploit reference
No fix is published yet: follow the downgrade or mitigation steps.
Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-4974?
ac7 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2026-4974 being exploited?
CVE-2026-4974 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-4974 affect?
CVE-2026-4974 affects ac7 firmware. Severity is high (CVSS 8.8). 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-b
How urgent is CVE-2026-4974?
Priority 48/100. High severity; Public exploit reference