Totolink A8000RU CGI cstecgi.cgi setWiFiAclRules os command injection_CVE-2026-7139

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 flaw has been found in Totolink A8000RU 7.1cu.643_b20200521. This issue affects the function setWiFiAclRules of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. This manipulation of the argument mode causes os command injection. The attack is possible to be carried out remotely. The exploit has been published and may be used.

Basic Information

ID CVE-2026-7139

Source VulDB

Published Apr 27, 2026 at 16:15

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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    "published": "2026-04-27T16:15:13.119Z",
    "modified": "2026-04-27T16:15:13.119Z",
    "type": "cve",
    "title": "Totolink A8000RU CGI cstecgi.cgi setWiFiAclRules os command injection",
    "source": "VulDB",
    "references": "https://vuldb.com/vuln/359738\nhttps://vuldb.com/vuln/359738/cti\nhttps://vuldb.com/submit/801106\nhttps://github.com/Litengzheng/vuldb_new2/blob/main/A8000RU/vul_314/README.md\nhttps://www.totolink.net/",
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