CVE-2020-11906
The Treck TCP/IP stack before 6.0.1.66 has an Ethernet Link Layer Integer Underflow.
CVE-2020-11906 is a medium vulnerability (CVSS 6.3) 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 1.96%, the 80th percentile. No source names a fixed version.
- Severity
- 6.3 MediumCVSS 3.1, NVD
- Exploit chance
- 1.96%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 an Ethernet Link Layer Integer Underflow.
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
- Low
- Integrity
- Low
- Availability
- Low
Exploit likelihood
Affected products
What each source reports
NVD Score used
The Treck TCP/IP stack before 6.0.1.66 has an Ethernet Link Layer Integer Underflow.
- Record
CVE-2020-11906- CVSS 3.1
- 6.3 Medium
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L - CVSS 2.0
- 5.8 Medium
AV:A/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-191
- Updated
- 2026-11-02
CVE ListNo score
The Treck TCP/IP stack before 6.0.1.66 has an Ethernet Link Layer Integer Underflow.
- Record
CVE-2020-11906- Updated
- 2026-11-02
EUVDEUVD-2020-4243No score
The Treck TCP/IP stack before 6.0.1.66 has an Ethernet Link Layer Integer Underflow.
- Record
EUVD-2020-4243- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-vm7q-gv9m-xqf3No score
The Treck TCP/IP stack before 6.0.1.66 has an Ethernet Link Layer Integer Underflow.
The Treck TCP/IP stack before 6.0.1.66 has an Ethernet Link Layer Integer Underflow.
- Record
GHSA-vm7q-gv9m-xqf3- 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.