CVE-2026-2871 HIGH

CVE-2026-2871: Tenda A21 SetIpMacBind fromSetIpMacBind stack-based overflow

Vendor Tenda
Product A21
Weakness CWE-121
Published February 21, 2026
Last update February 23, 2026
View on NVD All CVEs

CVSS base score

8.7/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality —
Integrity —

CVSS vector

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

What the vulnerability does

01Description

A weakness has been identified in Tenda A21 1.0.0.0. This affects the function fromSetIpMacBind of the file /goform/SetIpMacBind. This manipulation of the argument list causes stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks.

Key dates

02Disclosure timeline

February 21, 2026 CVE published
February 23, 2026 Record updated