CVE-2026-5996

A security vulnerability has been detected in Totolink A7100RU 7.4cu.2313_b20191024. The affected element is the function setAdvancedInfoShow of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument tty_server leads to os command injection. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used.

Score

CVSS 3.1 9.8 Critical

Status

Deferred - cna@vuldb.com

Published

2026-04-10

Last modified

2026-10-26

Weaknesses

CWE-77, CWE-78

Affected products

• A7100ru Firmware (Totolink)

References

• https://vuldb.com/vuln/356550
• https://vuldb.com/vuln/356550/cti
• https://vuldb.com/submit/792044
• https://github.com/Litengzheng/vuldb_new/blob/main/A7100RU/vul_168/README.md
• https://www.totolink.net/