Totolink A8000RU CGI cstecgi.cgi setDmzCfg os command injection_CVE-2026-7136

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 A8000RU 7.1cu.643_b20200521. Affected by this issue is the function setDmzCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Executing a manipulation of the argument wanIdx 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-2026-7136

Source VulDB

Published Apr 27, 2026 at 15:30

Affected Product

Vendor Totolink

Product A8000RU

Version 7.1cu.643_b20200521

Affected Versions Totolink A8000RU 7.1cu.643_b20200521

CWE Classification

CWE-78 CWE-77

References

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    "lastseen": "",
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    "published": "2026-04-27T15:30:15.345Z",
    "modified": "2026-04-27T15:30:15.345Z",
    "type": "cve",
    "title": "Totolink A8000RU CGI cstecgi.cgi setDmzCfg os command injection",
    "source": "VulDB",
    "references": "https://vuldb.com/vuln/359735\nhttps://vuldb.com/vuln/359735/cti\nhttps://vuldb.com/submit/801007\nhttps://github.com/Litengzheng/vuldb_new2/blob/main/A8000RU/vul_311/README.md\nhttps://www.totolink.net/",
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