CVE-2020-11905
The Treck TCP/IP stack before 6.0.1.66 has a DHCPv6 Out-of-bounds Read.
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.
- Severity
- 6.5 MediumCVSS 3.1, NVD
- Exploit chance
- 1.99%EPSS, 80th percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
- No fix listedNo source names one
Description
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
Affected products
What each source reports
NVD Score used
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 Medium
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 3.3 Low
AV:A/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-125
- Updated
- 2026-11-02
CVE ListNo 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-2020-4242No 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-q9p6-8g9xNo 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
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.