PT-2026-31853

CVE-2026-5997

Published

2026-04-10

Updated

2026-04-28

Description by

CVSS 2.0

Critical

MetricsAV:N/AC:L/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Totolink A7100RU version 7.4cu.2313 b20191024

Description A vulnerability exists in the CGI Handler component of Totolink A7100RU. The setLoginPasswordCfg function within the /cgi-bin/cstecgi.cgi file is susceptible to os command injection through manipulation of the admpass parameter. This allows for remote execution of commands. A public exploit is available.

Recommendations Update to a newer version that contains a fix for this vulnerability. As a temporary workaround, restrict access to the /cgi-bin/cstecgi.cgi file.

Exploitability

Exploit

Fix

Impacts

Researchers

Ltzhust

Vendors

Affected products

Weakness enumeration

CWE-78: Improper Neutralization of Special Elements used in an OS Command (\'OS Command Injection\')

CWE-77: Improper Neutralization of Special Elements used in a Command (\'Command Injection\')

Related identifiers