CVE-2001-0163: Cisco Aironet AP340

Medium severity, CVSS 4.6. EPSS: 2.8% chance of exploitation in the next 30 days.

Cisco AP340 base station produces predictable TCP Initial Sequence Numbers (ISNs), which allows remote attackers to spoof or hijack TCP connections.

Affected products

Published 2001-01-01. Last modified 2026-06-16.