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

Added to KEV
2022-03-03
Federal due date
2022-03-17
Vendor
Treck TCP/IP stack
Product
IPv6
EPSS
97.1th percentile (score 0.353, as of 2026-06-08)
NVD CVSS v3.1
Ransomware use
Unknown
Upstream
https://nvd.nist.gov/vuln/detail/CVE-2020-11899

CISA short description

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

Required action

Apply updates per vendor instructions.

EPSS percentile is the FIRST.org exploit-probability ranking as of the date noted above; it moves daily. CVSS reflects NVD's analysis at time of publication.