CVE-2025-9781: Totolink a702r Firmware

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

A vulnerability has been found in TOTOLINK A702R 4.0.0-B20211108.1423. This affects the function sub_4162DC of the file /boafrm/formFilter. Such manipulation of the argument ip6addr leads to buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the 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.