CVE-2026-6029

CRITICAL

Totolink A7100RU CGI cstecgi.cgi setVpnAccountCfg os command injection

Title source: cna

Description

A vulnerability was detected in Totolink A7100RU 7.4cu.2313_b20191024. The affected element is the function setVpnAccountCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument User results in os command injection. The attack may be launched remotely. The exploit is now public and may be used.

References (5)

Core 5

Core References

Third Party Advisory third-party-advisory

Submit #792050 | Totolink A7100RU 7.4cu.2313_b20191024 Command Injection

https://vuldb.com/submit/792050

Vdb Entry, Technical Description vdb-entry technical-description

VDB-356605 | Totolink A7100RU CGI cstecgi.cgi setVpnAccountCfg os command injection

https://vuldb.com/vuln/356605

Signature, Permissions Required signature permissions-required

VDB-356605 | CTI Indicators (IOB, IOC, TTP, IOA)

https://vuldb.com/vuln/356605/cti

Exploit exploit

https://github.com/Litengzheng/vuldb_new/blob/main/A7100RU/vul_174/README.md

View Exploit ZIP pw:eip

Product product

https://www.totolink.net/

Scores

CVSS v3 9.8

EPSS 0.0298

EPSS Percentile 85.5%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation poc

Automatable yes

Technical Impact total

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