Totolink A8000RU CGI cstecgi.cgi setAdvancedInfoShow os command injection_CVE-2026-7154

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. This affects the function setAdvancedInfoShow of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Executing a manipulation of the argument tty_server can lead to os command injection. The attack can be launched remotely. The exploit has been made available to the public and could be used for attacks.

Basic Information

ID CVE-2026-7154

Source VulDB

Published Apr 27, 2026 at 20:00

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": "2026-04-27T20:00:15.926Z",
    "modified": "2026-04-27T20:00:15.926Z",
    "type": "cve",
    "title": "Totolink A8000RU CGI cstecgi.cgi setAdvancedInfoShow os command injection",
    "source": "VulDB",
    "references": "https://vuldb.com/vuln/359753\nhttps://vuldb.com/vuln/359753/cti\nhttps://vuldb.com/submit/801140\nhttps://github.com/Litengzheng/vuldb_new2/blob/main/A8000RU/vul_318/README.md\nhttps://www.totolink.net/",
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