CVE-2026-5997

CRITICAL

Totolink A7100RU CGI cstecgi.cgi setLoginPasswordCfg os command injection

Title source: cna

Description

A vulnerability was detected in Totolink A7100RU 7.4cu.2313_b20191024. The impacted element is the function setLoginPasswordCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument admpass results in os command injection. It is possible to launch the attack remotely. The exploit is now public and may be used.

References (5)

[Vdb Entry, Technical Description] https://vuldb.com/vuln/356551

[Signature, Permissions Required] https://vuldb.com/vuln/356551/cti

[Third Party Advisory] https://vuldb.com/submit/792045

[Exploit] https://github.com/Litengzheng/vuldb_new/blob/main/A7100RU/vul_169/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 10, 2026

Tracked Since Apr 10, 2026