Totolink A7100RU CGI cstecgi.cgi setDmzCfg os command injection_CVE-2026-5975

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. The impacted element is the function setDmzCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Such manipulation of the argument wanIdx leads to os command injection. The attack may be performed from remote. The exploit is publicly available and might be used.

Basic Information

ID CVE-2026-5975

Source VulDB

Published Apr 9, 2026 at 19:45

Modified Apr 9, 2026 at 20:10

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": "2026-04-09T19:45:18.440Z",
    "modified": "2026-04-09T20:10:54.661Z",
    "type": "cve",
    "title": "Totolink A7100RU CGI cstecgi.cgi setDmzCfg os command injection",
    "source": "VulDB",
    "references": "https://vuldb.com/vuln/356529\nhttps://vuldb.com/vuln/356529/cti\nhttps://vuldb.com/submit/791821\nhttps://github.com/Litengzheng/vuldb_new/blob/main/A7100RU/vul_161/README.md\nhttps://www.totolink.net/",
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