Totolink A7100RU CGI cstecgi.cgi setVpnPassCfg os command injection_CVE-2026-5850

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 identified in Totolink A7100RU 7.4cu.2313_b20191024. This affects the function setVpnPassCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument pptpPassThru leads to os command injection. Remote exploitation of the attack is possible. The exploit is publicly available and might be used.

Basic Information

ID CVE-2026-5850

Source VulDB

Published Apr 9, 2026 at 05:45

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": "2026-04-09T05:45:12.796Z",
    "modified": "2026-04-09T05:45:12.796Z",
    "type": "cve",
    "title": "Totolink A7100RU CGI cstecgi.cgi setVpnPassCfg os command injection",
    "source": "VulDB",
    "references": "https://vuldb.com/vuln/356376\nhttps://vuldb.com/vuln/356376/cti\nhttps://vuldb.com/submit/791266\nhttps://github.com/Litengzheng/vuldb_new/blob/main/A7100RU/vul_156/README.md\nhttps://www.totolink.net/",
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