CVE-2026-5978

CRITICAL

Totolink A7100RU CGI cstecgi.cgi setWiFiAclRules os command injection

Title source: cna

Description

A security vulnerability has been detected in Totolink A7100RU 7.4cu.2313_b20191024. Affected is the function setWiFiAclRules of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument mode leads to os command injection. The attack can be initiated remotely. The exploit has been disclosed publicly and may be used.

References (5)

[Vdb Entry, Technical Description] https://vuldb.com/vuln/356532

[Signature, Permissions Required] https://vuldb.com/vuln/356532/cti

[Third Party Advisory] https://vuldb.com/submit/791825

[Exploit] https://github.com/Litengzheng/vuldb_new/blob/main/A7100RU/vul_164/README.md

View Exploit ZIP pw:eip

[Product] https://www.totolink.net/

Scores

CVSS v3 9.8

EPSS 0.0125

EPSS Percentile 79.4%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE

CWE-77 CWE-78

Status published

Products (1)

Totolink/A7100RU 7.4cu.2313_b20191024

Published Apr 09, 2026

Tracked Since Apr 10, 2026