CVE-2025-61577: D-Link Dir-816 Firmware

High severity, CVSS 7.5. EPSS: 5.7% chance of exploitation in the next 30 days.

D-Link DIR-816A2_FWv1.10CNB05 was discovered to contain a stack overflow via the statuscheckpppoeuser parameter in the dir_setWanWifi function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.

Affected products

• D-Link Dir-816 Firmware: version 1.10cnb05 only

Published 2025-10-09. Last modified 2026-06-17.