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CVE-2026-5853

CRITICAL

9.8

Description

A security vulnerability has been detected in Totolink A7100RU 7.4cu.2313_b20191024. Affected by this vulnerability is the function setIpv6LanCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Such manipulation of the argument addrPrefixLen leads to os command injection. The attack may be performed from remote. The exploit has been disclosed publicly and may be used.

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

Publie4/9/2026

Derniere modification4/13/2026

Sourcenvd

Observations honeypot0

Faiblesses (CWE)

CWE-77CWE-78

References

https://github.com/Litengzheng/vuldb_new/blob/main/A7100RU/vul_159/README.md(cna@vuldb.com)

https://vuldb.com/submit/791274(cna@vuldb.com)

https://vuldb.com/vuln/356379(cna@vuldb.com)

https://vuldb.com/vuln/356379/cti(cna@vuldb.com)

https://www.totolink.net/(cna@vuldb.com)

Correlations IOC

Aucune correlation enregistree

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