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CVE-2026-5852

CRITICAL

9.8

Description

A weakness has been identified in Totolink A7100RU 7.4cu.2313_b20191024. Affected is the function setIptvCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. This manipulation of the argument igmpVer causes os command injection. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks.

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

Published4/9/2026

Last Modified4/9/2026

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-77CWE-78

References

https://github.com/Litengzheng/vuldb_new/blob/main/A7100RU/vul_158/README.md(cna@vuldb.com)

https://vuldb.com/submit/791272(cna@vuldb.com)

https://vuldb.com/vuln/356378(cna@vuldb.com)

https://vuldb.com/vuln/356378/cti(cna@vuldb.com)

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

IOC Correlations

No correlations recorded

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