CVE-2025-4732: Totolink a3002r Firmware

High severity, CVSS 8.8. EPSS: 0.8% chance of exploitation in the next 30 days.

A vulnerability classified as critical was found in TOTOLINK A3002R and A3002RU 3.0.0-B20230809.1615. This vulnerability affects unknown code of the file /boafrm/formFilter of the component HTTP POST Request Handler. The manipulation of the argument ip6addr leads to buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

Affected products

• Totolink a3002r Firmware: version 3.0.0-b20230809.1615 only
• Totolink a3002ru Firmware: version 3.0.0-b20230809.1615 only

Published 2025-05-16. Last modified 2026-06-17.