CVE-2020-11898: Treck Tcp/ip

Critical severity, CVSS 9.1. EPSS: 18.9% chance of exploitation in the next 30 days.

The Treck TCP/IP stack before 6.0.1.66 improperly handles an IPv4/ICMPv4 Length Parameter Inconsistency, which might allow remote attackers to trigger an information leak.

Affected products

• Treck Tcp/ip: before 6.0.1.66 (fixed in 6.0.1.66)

Published 2020-06-17. Last modified 2026-06-17.