The Treck TCP/IP stack before 6.0.1.66 has an Integer Overflow during Memory Allocation…
Priority MEDIUM 46CWE-190Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
The Treck TCP/IP stack before 6.0.1.66 has an Integer Overflow during Memory Allocation that causes an Out-of-Bounds Write.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.03171 88th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-11904
- 2026-10-03 Alias added: GHSA-3wmc-fg6p-fq4v
References
Exploit 1
Advisory 5
More Treck Tcp/ip vulnerabilities
- TI-2020-09565 The Treck TCP/IP stack before 6.0.1.66 has an IPv6 Out-of-bounds Read. KEVCVSS 3.1MEDIUM 5.4
- TI-2020-09562 The Treck TCP/IP stack before 6.0.1.66 allows Remote Code Execution, related to IPv4 tunneling. CVSS 3.1CRITICAL 10.0
- TI-2020-09576 The Treck TCP/IP stack before 6.0.1.66 has an ICMPv4 Out-of-bounds Read. CVSS 3.1CRITICAL 9.8
- TI-2020-09567 The Treck TCP/IP stack before 6.0.1.66 allows Remote Code execution via a single invalid DNS response. CVSS 3.1CRITICAL 9.0
- TI-2020-09564 The Treck TCP/IP stack before 6.0.1.66 improperly handles an IPv4/ICMPv4 Length Parameter… CVSS 3.1CRITICAL 9.1
- TI-2020-09563 The Treck TCP/IP stack before 5.0.1.35 has an Out-of-Bounds Write via multiple malformed IPv6 packets. CVSS 3.1CRITICAL 10.0
Sources
- CVE-2020-11904 · CVE Program
- CVE-2020-11904 · NVD
- FIRST EPSS
- GHSA-3wmc-fg6p-fq4v · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences