CVE-2026-5994
CRITICALTotolink A7100RU CGI cstecgi.cgi setTelnetCfg os command injection
Title source: cnaDescription
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.
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