The Treck TCP/IP stack before 6.0.1.66 allows Remote Code Execution, related to IPv4 tunneling.
Priority HIGH 69CWE-119Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.
Summary
The Treck TCP/IP stack before 6.0.1.66 allows Remote Code Execution, related to IPv4 tunneling.
Why it matters now
EPSS 0.36852 98th 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
Not available: CISA has not published SSVC decision points for this record.
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-2020-11896
- 2026-10-03 Alias added: GHSA-hwgx-cxhm-g3q3
References
Exploit 1
Advisory 5
Other 5
- http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2020-006.txt
- https://security.netapp.com/advisory/ntap-20200625-0006/
- https://cert-portal.siemens.com/productcert/pdf/ssa-631949.pdf
- https://support.hpe.com/hpesc/public/docDisplay?docLocale=en_US&docId=hpesbhf04012en_us
- https://www.dell.com/support/article/de-de/sln321836/dell-response-to-the-ripple20-vulnerabilities
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-2020-09576 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
- TI-2020-09575 The Treck TCP/IP stack before 6.0.1.66 has an IPv4 Integer Underflow. CVSS 3.1CRITICAL 9.1
Sources
- CVE-2020-11896 · CVE Program
- CVE-2020-11896 · NVD
- FIRST EPSS
- GHSA-hwgx-cxhm-g3q3 · GitHub Advisory Database · CC BY 4.0
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