Tenda AC21 AdvSetMacMtuWan fromAdvSetMacMtuWan stack-based overflow_CVE-2026-1637

8.7 / 10

HIGH

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

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.

Basic Information

ID CVE-2026-1637

Source VulDB

Published Jan 29, 2026 at 22:32

Affected Product

Vendor Tenda

Product AC21

Version 16.03.08.16

Affected Versions Tenda AC21 16.03.08.16

CWE Classification

CWE-121 CWE-119

References

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    "published": "2026-01-29T22:32:07.685Z",
    "modified": "2026-01-29T22:32:07.685Z",
    "type": "cve",
    "title": "Tenda AC21 AdvSetMacMtuWan fromAdvSetMacMtuWan stack-based overflow",
    "source": "VulDB",
    "references": "https://vuldb.com/?id.343416\nhttps://vuldb.com/?ctiid.343416\nhttps://vuldb.com/?submit.740865\nhttps://github.com/LX-LX88/cve/issues/25\nhttps://www.tenda.com.cn/",
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