CVE-2026-6155

A weakness has been identified in Totolink A7100RU 7.4cu.2313. The impacted element is the function setWanCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Executing a manipulation of the argument pppoeServiceName can lead to os command injection. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks.

Score

CVSS 3.1 9.8 Critical

Status

Deferred - cna@vuldb.com

Published

2026-04-13

Last modified

2026-10-26

Weaknesses

CWE-77, CWE-78

Affected products

• A7100ru Firmware (Totolink)

References

• https://vuldb.com/vuln/357035
• https://vuldb.com/vuln/357035/cti
• https://vuldb.com/submit/793679
• https://github.com/Litengzheng/vuldb_new/blob/main/A7100RU/vul_196/README.md
• https://www.totolink.net/