CVEvulnerability
CVE-2026-51218
7.5 HIGH
Official page ↗
- Status
- Deferred
- Published
- 2026-06-29
- Last modified
- 2026-07-30
- Assigner
- [email protected]
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-122
Description
A heap buffer overflow in the TS7Worker::PerformFunctionWrite() function (/core/s7_server.cpp) of snap7 v1.4.3 allows attackers to cause a Denial of Service (DoS) via a crafted packet.
Related
Weakness · CWE (1)
- CWE-122 Heap-based Buffer Overflow weakness
References
- https://github.com/davenardella/snap7 github.com
- https://github.com/davenardella/snap7/issues/14 github.com
- https://github.com/davenardella/snap7/issues/14 github.com