CVE-2025-9779: Totolink a702r Firmware

High severity, CVSS 8.8. EPSS: 0.7% chance of exploitation in the next 30 days.

A vulnerability was detected in TOTOLINK A702R 4.0.0-B20211108.1423. Affected by this vulnerability is the function sub_4162DC of the file /boafrm/formFilter. The manipulation of the argument ip6addr results in buffer overflow. It is possible to launch the attack remotely. The exploit is now public and may be used.

Affected products

• Totolink a702r Firmware: version 4.0.0-b20211108.1423 only

Published 2025-09-01. Last modified 2026-09-26.