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Findings

CVE-2020-11899

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

Published Jun 17, 2020 · updated Jun 16, 2026 · treck tcp/ip

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

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Jun 17, 2020 · Catalog

    Detected

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

  2. Mar 3, 2022 · CISA KEV

    Known exploited

    Apply updates per vendor instructions.

  3. Mar 17, 2022 · CISA KEV

    Remediation due

    Apply updates per vendor instructions.

  4. Jun 16, 2026 · Catalog

    Updated

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

Required action

Apply updates per vendor instructions.

CISA due date Mar 17, 2022

Affected

  • cpe dell/wyse 5030 firmwareversion unspecified
  • cpe dell/wyse 5050 all-in-one firmwareversion unspecified
  • cpe dell/wyse 7030 firmwareversion unspecified
  • cpe treck/tcp/ipversion unspecified
  • vendor Treck TCP/IP stack IPv6version unspecified

Sources

  • CISA KEVConfirmed exploitationCVE-2020-11899

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

    cisa.gov
  • CVE.orgVulnerability recordCVE-2020-11899

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2020-11899

    30-day exploitation probability 18.4%

    first.org
  • NIST NVDVulnerability recordCVE-2020-11899

    The Treck TCP/IP stack before 6.0.1.66 has an IPv6 Out-of-bounds Read.

    nvd.nist.gov

References