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CVE-2026-4254

CRITICAL

9.8

Description

A weakness has been identified in Tenda AC8 up to 16.03.50.11. This vulnerability affects the function doSystemCmd of the file /goform/SysToolChangePwd of the component HTTP Endpoint. This manipulation of the argument local_2c causes stack-based buffer overflow. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks.

Details CVE

Score CVSS v3.19.8

SeveriteCRITICAL

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

Vecteur d'attaqueNETWORK

ComplexiteLOW

Privileges requisNONE

Interaction utilisateurNONE

Publie3/16/2026

Derniere modification3/20/2026

Sourcenvd

Observations honeypot0

Produits affectes

tenda:ac8tenda:ac8_firmware

Faiblesses (CWE)

CWE-119CWE-121CWE-787

References

https://github.com/digitalandrew/tenda_ac8_v5/blob/main/CVE_Report_Tenda_AC8_SysToolChangePwd_BOF.md(cna@vuldb.com)

https://vuldb.com/?ctiid.351212(cna@vuldb.com)

https://vuldb.com/?id.351212(cna@vuldb.com)

https://vuldb.com/?submit.771773(cna@vuldb.com)

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

Correlations IOC

Aucune correlation enregistree

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