← Back to CVEs

CVE-2026-1637

HIGH

8.8

Description

A vulnerability was identified in Tenda AC21 16.03.08.16. The affected element is the function fromAdvSetMacMtuWan of the file /goform/AdvSetMacMtuWan. The manipulation leads to stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit is publicly available and might be used.

CVE Details

CVSS v3.1 Score8.8

SeverityHIGH

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredLOW

User InteractionNONE

Published1/29/2026

Last Modified2/10/2026

Sourcenvd

Honeypot Sightings0

Affected Products

tenda:ac21tenda:ac21_firmware

Weaknesses (CWE)

CWE-119CWE-121

References

https://github.com/LX-LX88/cve/issues/25(cna@vuldb.com)

https://vuldb.com/?ctiid.343416(cna@vuldb.com)

https://vuldb.com/?id.343416(cna@vuldb.com)

https://vuldb.com/?submit.740865(cna@vuldb.com)

https://www.tenda.com.cn/(cna@vuldb.com)

https://github.com/LX-LX88/cve/issues/25(134c704f-9b21-4f2e-91b3-4a467353bcc0)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.