CVE-2026-0641: Totolink WA300 Firmware

High severity, CVSS 8.8. EPSS: 2.6% chance of exploitation in the next 30 days.

A security vulnerability has been detected in TOTOLINK WA300 5.2cu.7112_B20190227. This vulnerability affects the function sub_401510 of the file cstecgi.cgi. The manipulation of the argument UPLOAD_FILENAME leads to command injection. The attack may be initiated remotely. The exploit has been disclosed publicly and may be used.

Affected products

• Totolink WA300 Firmware: version 5.2cu.7112_b20190227 only

Published 2026-01-06. Last modified 2026-06-17.