Totolink A8000RU CGI cstecgi.cgi setNtpCfg os command injection_CVE-2026-7138

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 vulnerability was detected in Totolink A8000RU 7.1cu.643_b20200521. This vulnerability affects the function setNtpCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument tz results in os command injection. The attack can be executed remotely. The exploit is now public and may be used.

Basic Information

ID CVE-2026-7138

Source VulDB

Published Apr 27, 2026 at 16:00

Modified Apr 27, 2026 at 16:23

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": "2026-04-27T16:00:16.713Z",
    "modified": "2026-04-27T16:23:28.294Z",
    "type": "cve",
    "title": "Totolink A8000RU CGI cstecgi.cgi setNtpCfg os command injection",
    "source": "VulDB",
    "references": "https://vuldb.com/vuln/359737\nhttps://vuldb.com/vuln/359737/cti\nhttps://vuldb.com/submit/801105\nhttps://github.com/Litengzheng/vuldb_new2/blob/main/A8000RU/vul_313/README.md\nhttps://www.totolink.net/",
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