K7Firewall Packet Driver
CVE-2014-7136
HIGH
Vulnerability Assessment
| Weakness |
CWE
ASVS 5.0
V15 - Secure Coding and Architecture Bounds checking, buffer size validation
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 7.2 (HIGH). Attack characteristics: local attack vector, low complexity. Public proof-of-concept exploit code is available. EPSS exploitation probability: 0.11%. |
| Exploit ScenarioDerived | A local attacker with access to the system could corrupt memory to execute arbitrary code or crash the application. |
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Alert meAnalysisAI
Heap-based buffer overflow in the K7FWFilt.sys kernel mode driver (aka K7Firewall Packet Driver) before 14.0.1.16, as used in multiple K7 Computing products, allows local users to execute arbitrary. Rated high severity (CVSS 7.2), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Use memory-safe languages or bounds-checking. Enable ASLR, DEP/NX, stack canaries. Use safe string functions.
Affects your stack
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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 Buffer Overflow (CWE-119), which allows attackers to corrupt memory to execute arbitrary code or crash the application. Heap-based buffer overflow in the K7FWFilt.sys kernel mode driver (aka K7Firewall Packet Driver) before 14.0.1.16, as used in multiple K7 Computing products, allows local users to execute arbitrary code with kernel privileges via a crafted parameter in a DeviceIoControl API call. Affected products include: K7Computing K7Firewall Packet Driver. Version information: before 14.0.1.16.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:L/AC:L/Au:N/C:C/I:C/A:C
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionCVE.org
Heap-based buffer overflow in the K7FWFilt.sys kernel mode driver (aka K7Firewall Packet Driver) before 14.0.1.16, as used in multiple K7 Computing products, allows local users to execute arbitrary code with kernel privileges via a crafted parameter in a DeviceIoControl API call.
Threat Intelligence Overview
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.
Remote Code Execution represents the critical moment when an attacker successfully runs arbitrary code on a target system without physical access.
NVD
CVE.org
EPSS
GitHub PoC
Exploit-DB