PT-2026-5326

CVE-2026-1601

Published

2026-01-29

Updated

2026-01-30

Description by

CVSS 2.0

6.5

Medium

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

Name of the Vulnerable Software and Affected Versions Totolink A7000R version 4.1cu.4154

Description A flaw exists in the Totolink A7000R router firmware that allows for remote command injection. The issue resides within the setUploadUserData function of the /cgi-bin/cstecgi.cgi file. Manipulation of the FileName argument can trigger the flaw. The exploit for this issue has been publicly released.

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

Exploitability

Exploit

Fix

Impacts

Researchers

Vendors

Affected products

Weakness enumeration

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

CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component (\'Injection\')

Related identifiers

CVE-2026-1601