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CVE-2026-2872

HIGH

8.8

Description

A security vulnerability has been detected in Tenda A21 1.0.0.0. This vulnerability affects the function set_device_name of the file /goform/setBlackRule of the component MAC Filtering Configuration Endpoint. Such manipulation of the argument devName/mac leads to stack-based buffer overflow. The attack may be performed from remote. The exploit has been disclosed publicly and may be used.

Details CVE

Score CVSS v3.18.8

SeveriteHIGH

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

Vecteur d'attaqueNETWORK

ComplexiteLOW

Privileges requisLOW

Interaction utilisateurNONE

Publie2/21/2026

Derniere modification2/23/2026

Sourcenvd

Observations honeypot0

Produits affectes

tenda:a21tenda:a21_firmware

Faiblesses (CWE)

CWE-119CWE-121

References

https://github.com/QIU-DIE/cve-nneeww/issues/3(cna@vuldb.com)

https://vuldb.com/?ctiid.347109(cna@vuldb.com)

https://vuldb.com/?id.347109(cna@vuldb.com)

https://vuldb.com/?submit.754634(cna@vuldb.com)

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

Correlations IOC

Aucune correlation enregistree

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