CVE-2026-6112

CRITICAL

Totolink A7100RU CGI cstecgi.cgi setRadvdCfg os command injection

Title source: cna

Description

A weakness has been identified in Totolink A7100RU 7.4cu.2313_b20191024. Affected is the function setRadvdCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. This manipulation of the argument maxRtrAdvInterval causes os command injection. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks.

References (5)

[Vdb Entry, Technical Description] https://vuldb.com/vuln/356972

[Signature, Permissions Required] https://vuldb.com/vuln/356972/cti

[Third Party Advisory] https://vuldb.com/submit/792245

[Exploit] https://github.com/Litengzheng/vuldb_new/blob/main/A7100RU/vul_177/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 12, 2026

Tracked Since Apr 12, 2026