CVE-2025-45861: Totolink a3002r Firmware

Critical severity, CVSS 9.8. EPSS: 0.6% chance of exploitation in the next 30 days.

TOTOLINK A3002R v4.0.0-B20230531.1404 was discovered to contain a buffer overflow via the routername parameter in the formDnsv6 interface.

Affected products

• Totolink a3002r Firmware: version 4.0.0-b20230531.1404 only

Published 2025-05-13. Last modified 2026-06-17.