CVE-2020-11899Actively exploitedAdded to KEV 2022-03-03

Treck TCP/IP stack Out-of-Bounds Read Vulnerability

Treck TCP/IP stack, IPv6

Description

The Treck TCP/IP stack contains an IPv6 out-of-bounds read vulnerability.

CVSS severity for this advisory hasn't been enriched from NVD yet, check back shortly.

EPSS, exploit probability

High

18.4%

estimated chance of real-world exploitation in the next 30 days, higher than 97.2% of every CVE FIRST.org scores

Refreshed 10/28/2026, via FIRST.org's EPSS model, not CVSS, this measures likelihood of exploitation, not how severe it would be.

Required action

Apply updates per vendor instructions.

CISA-recommended due date: 2022-03-17

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