Totolink A7100RU cstecgi.cgi setFirewallType os command injection_CVE-2026-5691

6.9 / 10

MEDIUM

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/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 setFirewallType of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument firewallType leads to os command injection. The attack is possible to be carried out remotely. The exploit has been disclosed to the public and may be used.

Basic Information

ID CVE-2026-5691

Source VulDB

Published Apr 6, 2026 at 23:00

Modified Apr 7, 2026 at 16:24

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": "2026-04-06T23:00:22.202Z",
    "modified": "2026-04-07T16:24:28.803Z",
    "type": "cve",
    "title": "Totolink A7100RU cstecgi.cgi setFirewallType os command injection",
    "source": "VulDB",
    "references": "https://vuldb.com/vuln/355518\nhttps://vuldb.com/vuln/355518/cti\nhttps://vuldb.com/submit/792962\nhttps://github.com/Litengzheng/vuldb_new/blob/main/A7100RU/vul_189/README.md\nhttps://www.totolink.net/",
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