Totolink A7100RU CGI cstecgi.cgi setWanCfg os command injection_CVE-2026-6155

9.3 / 10

CRITICAL

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P

Description

A weakness has been identified in Totolink A7100RU 7.4cu.2313. The impacted element is the function setWanCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Executing a manipulation of the argument pppoeServiceName can lead to os command injection. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks.

Basic Information

ID CVE-2026-6155

Source VulDB

Published Apr 13, 2026 at 03:15

Affected Product

Vendor Totolink

Product A7100RU

Version 7.4cu.2313

Affected Versions Totolink A7100RU 7.4cu.2313

CWE Classification

CWE-78 CWE-77

References

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    "published": "2026-04-13T03:15:24.203Z",
    "modified": "2026-04-13T03:15:24.203Z",
    "type": "cve",
    "title": "Totolink A7100RU CGI cstecgi.cgi setWanCfg os command injection",
    "source": "VulDB",
    "references": "https://vuldb.com/vuln/357035\nhttps://vuldb.com/vuln/357035/cti\nhttps://vuldb.com/submit/793679\nhttps://github.com/Litengzheng/vuldb_new/blob/main/A7100RU/vul_196/README.md\nhttps://www.totolink.net/",
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