CVE-2026-5994

CRITICAL CVSS 9.8 View on NVD ↗

Description

A security flaw has been discovered in Totolink A7100RU 7.4cu.2313_b20191024. This issue affects the function setTelnetCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Performing a manipulation of the argument telnet_enabled results in os command injection. The attack is possible to be carried out remotely. The exploit has been released to the public and may be used for attacks.

CVSS Vector

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

References

https://github.com/Litengzheng/vuldb_new/blob/main/A7100RU/vul_166/README.md
https://vuldb.com/submit/792042
https://vuldb.com/vuln/356548
https://vuldb.com/vuln/356548/cti
https://www.totolink.net/

Published: Apr 10, 2026 01:16 UTC Modified: Apr 10, 2026 01:16 UTC