CVE-2025-4733: Totolink a3002r Firmware

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

A vulnerability, which was classified as critical, has been found in TOTOLINK A3002R and A3002RU 3.0.0-B20230809.1615. This issue affects some unknown processing of the file /boafrm/formIpQoS of the component HTTP POST Request Handler. The manipulation of the argument mac leads to buffer overflow. The attack may 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.