CVE-2026-51846

9.8 criticalEPSS 0.8%

Critical (9.8) in tenda ac7 firmware. EPSS 0.8% chance of exploitation in the next 30 days.

In Tenda AC7 v15.03.06.44, the wanSpeed parameter of the route /goform/AdvSetMacMtuWan has a stack buffer overflow vulnerability that can lead to remote arbitrary code execution.

Severity

CVSS 3.1

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.8% chance of exploitation in the next 30 days; higher than 57% of CVEs (scores of 2026-10-31)
CWE: CWE-121
Published: 2026-06-19
Modified: 2026-07-09
Record from: the NVD, synced 2026-10-19

Affected

tenda:ac7_firmware

References

https://www.kdev.site/cve-request_005/
https://www.kdev.site/cve-request_005/

Check your stack JSON