PT-2026-35520

CVE-2026-7152

Published

2026-04-27

Updated

2026-04-28

Description by

CVSS 3.1

Critical

MetricsAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Totolink A8000RU version 7.1cu.643 b20200521

Description Remote OS command injection is possible via the CGI Handler component. The issue exists in the setTelnetCfg() function within the '/cgi-bin/cstecgi.cgi' endpoint. By manipulating the telnet enabled argument, an attacker can execute arbitrary operating system commands remotely.

Recommendations For version 7.1cu.643 b20200521, update the software to a patched version. As a temporary workaround, restrict access to the '/cgi-bin/cstecgi.cgi' endpoint or disable the setTelnetCfg() function.

Exploitability

Exploit

Fix

Impacts

Researchers

Ltzhuster2

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