PT-2026-21388 · Tenda · Tenda Ac21

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CVE-2026-2874

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Published

2026-02-21

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Updated

2026-02-22

CVSS v2.0

9.0

High

VectorAV:N/AC:L/Au:S/C:C/I:C/A:C
Name of the Vulnerable Software and Affected Versions Tenda A21 version 1.0.0.0
Description A stack-based buffer overflow exists in the form fast setting wifi set function located in the /goform/fast setting wifi set file. Manipulation of the ssid argument can trigger the overflow, allowing for remote attacks. The exploit has been published.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Stack Overflow

Buffer Overflow

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Weakness Enumeration

Related Identifiers

CVE-2026-2874

Affected Products

Tenda Ac21