CVE-2025-52046: Totolink a3300r Firmware

Critical severity, CVSS 9.8. EPSS: 5.4% chance of exploitation in the next 30 days.

Totolink A3300R V17.0.0cu.596_B20250515 was found to contain a command injection vulnerability in the sub_4197C0 function via the mac and desc parameters. This vulnerability allows unauthenticated attackers to execute arbitrary commands via a crafted request.

Affected products

• Totolink a3300r Firmware: version 17.0.0cu.596_b20250515 only

Published 2025-07-17. Last modified 2026-06-17.