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CVE-2020-11905

The Treck TCP/IP stack before 6.0.1.66 has a DHCPv6 Out-of-bounds Read.

6.5 Medium

CVE-2020-11905 is a medium vulnerability (CVSS 6.5) in Treck Tcp\/ip, published June 17, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.99%, the 80th percentile. No source names a fixed version.

The Treck TCP/IP stack before 6.0.1.66 has a DHCPv6 Out-of-bounds Read.

Attack profile

How easy it is to exploit

Attack vector: Adjacent network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: None
Availability: None

Exploit likelihood

1.99%Down 0.3 points since Apr 14, 2021

What each source reports

NVD Score used 6.5

The Treck TCP/IP stack before 6.0.1.66 has a DHCPv6 Out-of-bounds Read.

Record: CVE-2020-11905
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS 2.0: 3.3 LowAV:A/AC:L/Au:N/C:P/I:N/A:N
Weakness: CWE-125
Updated: 2026-11-02

CVE List No score

The Treck TCP/IP stack before 6.0.1.66 has a DHCPv6 Out-of-bounds Read.

Record: CVE-2020-11905
Updated: 2026-11-02

EUVDEUVD-2020-4242 No score

The Treck TCP/IP stack before 6.0.1.66 has a DHCPv6 Out-of-bounds Read.

Record: EUVD-2020-4242
Updated: 2026-11-03

GitHub AdvisoriesGHSA-cpc9-q9p6-8g9x No score

The Treck TCP/IP stack before 6.0.1.66 has a DHCPv6 Out-of-bounds Read.

The Treck TCP/IP stack before 6.0.1.66 has a DHCPv6 Out-of-bounds Read.

Record: GHSA-cpc9-q9p6-8g9x
Updated: 2026-11-02

Affected products

treck tcp\/ip

History

History
When	Changed	Sources
2026-11-03	aliases	EUVD
2026-11-02	created	CVE List, GitHub Advisories, NVD

References

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