Tcp Ip
CVE-2020-25066
CRITICAL
Vulnerability Assessment
| Weakness |
CWE
ASVS 5.0
V15 - Secure Coding and Architecture Bounds checking, write limits
MITRE ATT&CK
2 techniques across 2 tactics: Execution, Privilege Escalation The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS score of 9.8 (CRITICAL). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. |
| Exploit ScenarioDerived | A remote attacker could write data beyond allocated buffer boundaries leading to code execution or crashes by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability. |
Get an e-mail when this CVE is exploited, patched or re-scored. Free account.
Alert meAnalysisAI
A heap-based buffer overflow in the Treck HTTP Server component before 6.0.1.68 allows remote attackers to cause a denial of service (crash/reset) or to possibly execute arbitrary code. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate write boundaries, use memory-safe languages, enable compiler protections (ASLR, stack canaries).
Affects your stack
Find out whether the stacks and servers you run are on an affected version.
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
This vulnerability is classified as Out-of-bounds Write (CWE-787), which allows attackers to write data beyond allocated buffer boundaries leading to code execution or crashes. A heap-based buffer overflow in the Treck HTTP Server component before 6.0.1.68 allows remote attackers to cause a denial of service (crash/reset) or to possibly execute arbitrary code. Affected products include: Treck Tcp\/Ip. Version information: before 6.0.1.68.
Know when Tcp Ip gets its next vulnerability
- Watch products and get an email when something new is published
- Check this CVE against your own stack and servers
- Exploit and PoC references, threat intelligence from 22 sources
No credit card · 7-day full trial
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionNVD
A heap-based buffer overflow in the Treck HTTP Server component before 6.0.1.68 allows remote attackers to cause a denial of service (crash/reset) or to possibly execute arbitrary code.
Threat Intelligence Overview
NVD
CVE.org
EPSS
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
A buffer overflow occurs when a program writes more data to a memory buffer than it was allocated to hold, causing the excess data to spill into adjacent memory regions.
Memory corruption occurs when a program writes data beyond the boundaries of allocated memory regions or accesses memory in unintended ways, violating the integrity of the process's address space.
Remote Code Execution represents the critical moment when an attacker successfully runs arbitrary code on a target system without physical access.
Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.
Affected Products (CPE)NVD
The Treck TCP/IP stack before 6.0.1.66 allows Remote Code Execution, related to IPv4 tunneling. Rated critical severity
The Treck TCP/IP stack before 6.0.1.66 improperly handles an IPv4/ICMPv4 Length Parameter Inconsistency, which might all
The Treck TCP/IP stack before 6.0.1.66 allows Remote Code execution via a single invalid DNS response. Rated critical se
The Treck TCP/IP stack before 6.0.1.41 has an IPv4 tunneling Double Free. Rated high severity (CVSS 8.2), this vulnerabi
The Treck TCP/IP stack before 6.0.1.66 has an Integer Overflow during Memory Allocation that causes an Out-of-Bounds Wri
The Treck TCP/IP stack before 6.0.1.66 has an IPv6OverIPv4 tunneling Out-of-bounds Read. Rated high severity (CVSS 7.3),
The Treck TCP/IP stack before 6.0.1.66 has a DHCPv6 Out-of-bounds Read. Rated medium severity (CVSS 6.5), this vulnerabi
The Treck TCP/IP stack before 6.0.1.28 has a DHCP Out-of-bounds Read. Rated medium severity (CVSS 6.5), this vulnerabili
The Treck TCP/IP stack before 6.0.1.66 improperly handles a Length Parameter Inconsistency in TCP. Rated medium severity
The Treck TCP/IP stack before 6.0.1.66 has an Ethernet Link Layer Integer Underflow. Rated medium severity (CVSS 6.3), t
The Treck TCP/IP stack before 5.0.1.35 has an Out-of-Bounds Write via multiple malformed IPv6 packets. Rated critical se
The Treck TCP/IP stack before 6.0.1.66 has an IPv6 Out-of-bounds Read. Rated medium severity (CVSS 5.4), this vulnerabil
GitHub PoC
Exploit-DB