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.
CVSS 7.5EPSS 0.409%Risk 0.78
View source- Published
- 2026-06-29 23:16:42
- Affected versions
- <1.4.3
- Type
- Library
- Last modified
- 2026-07-30 19:18:05
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H