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CVE-2026-5996

CRITICAL

9.8

Description

A security vulnerability has been detected in Totolink A7100RU 7.4cu.2313_b20191024. The affected element is the function setAdvancedInfoShow of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument tty_server leads to os command injection. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used.

CVE Details

CVSS v3.1 Score9.8

SeverityCRITICAL

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published4/10/2026

Last Modified4/13/2026

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-77CWE-78

References

https://github.com/Litengzheng/vuldb_new/blob/main/A7100RU/vul_168/README.md(cna@vuldb.com)

https://vuldb.com/submit/792044(cna@vuldb.com)

https://vuldb.com/vuln/356550(cna@vuldb.com)

https://vuldb.com/vuln/356550/cti(cna@vuldb.com)

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

IOC Correlations

No correlations recorded

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