CVE-2008-1259: Zyxel P-2602hw-d1a

High severity, CVSS 9.3. EPSS: 2.4% chance of exploitation in the next 30 days.

The Zyxel P-2602HW-D1A router with 3.40(AJZ.1) firmware maintains authentication state by IP address, which allows remote attackers to bypass authentication by establishing a session from a source IP address of a user who previously authenticated within the previous 5 minutes.

Affected products

• Zyxel P-2602hw-d1a: any version

Published 2008-03-10. Last modified 2026-06-16.