CVE-2026-51218: n/a
A heap buffer overflow vulnerability exists in the TS7Worker::PerformFunctionWrite() function of snap7 version 1.4.3. This flaw allows an attacker to cause a Denial of Service (DoS) by sending a specially crafted packet to the affected component.
AI Analysis
Technical Summary
CVE-2026-51218 describes a heap buffer overflow in the TS7Worker::PerformFunctionWrite() function located in the /core/s7_server.cpp file of snap7 version 1.4.3. Exploitation of this vulnerability can lead to a Denial of Service condition by processing a crafted packet that triggers the overflow. No further technical details or exploitation methods are provided. There is no CVSS score or vendor advisory available at this time.
Potential Impact
Successful exploitation results in a Denial of Service (DoS) condition due to a heap buffer overflow. There is no information about code execution or data disclosure. No known exploits are reported in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or workaround information is currently available.
CVE-2026-51218: n/a
Description
A heap buffer overflow vulnerability exists in the TS7Worker::PerformFunctionWrite() function of snap7 version 1.4.3. This flaw allows an attacker to cause a Denial of Service (DoS) by sending a specially crafted packet to the affected component.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-51218 describes a heap buffer overflow in the TS7Worker::PerformFunctionWrite() function located in the /core/s7_server.cpp file of snap7 version 1.4.3. Exploitation of this vulnerability can lead to a Denial of Service condition by processing a crafted packet that triggers the overflow. No further technical details or exploitation methods are provided. There is no CVSS score or vendor advisory available at this time.
Potential Impact
Successful exploitation results in a Denial of Service (DoS) condition due to a heap buffer overflow. There is no information about code execution or data disclosure. No known exploits are reported in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or workaround information is currently available.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mitre
- Date Reserved
- 2026-06-07T00:00:00.000Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a42f37c27e9c797199f7583
Added to database: 06/29/2026, 22:36:44 UTC
Last enriched: 06/29/2026, 22:51:43 UTC
Last updated: 06/29/2026, 23:10:27 UTC
Views: 4
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