Totolink A7100RU CGI cstecgi.cgi UploadOpenVpnCert os command injection_CVE-2026-6139

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 has been found in Totolink A7100RU 7.4cu.2313_b20191024. This affects the function UploadOpenVpnCert of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Such manipulation of the argument FileName leads to os command injection. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.

Basic Information

ID CVE-2026-6139

Source VulDB

Published Apr 13, 2026 at 00:15

Affected Product

Vendor Totolink

Product A7100RU

Version 7.4cu.2313_b20191024

Affected Versions Totolink A7100RU 7.4cu.2313_b20191024

CWE Classification

CWE-78 CWE-77

References

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    "published": "2026-04-13T00:15:12.109Z",
    "modified": "2026-04-13T00:15:12.109Z",
    "type": "cve",
    "title": "Totolink A7100RU CGI cstecgi.cgi UploadOpenVpnCert os command injection",
    "source": "VulDB",
    "references": "https://vuldb.com/vuln/357003\nhttps://vuldb.com/vuln/357003/cti\nhttps://vuldb.com/submit/792982\nhttps://github.com/Litengzheng/vuldb_new/blob/main/A7100RU/vul_192/README.md\nhttps://www.totolink.net/",
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