PT-2026-56618 · Snap7 · Snap7
CVSS v3.1
6.3
Medium
| Vector | AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L |
Name of the Vulnerable Software and Affected Versions
davenardella snap7 versions prior to 1.4.4
Description
A flaw in the ReadVar Request Handler component allows for deserialization. The issue resides in the
TS7Worker::PerformFunctionRead() function within the src/core/s7 server.cpp file. Exploitation of this issue requires the attacker to have access to the local network.Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Exploit
Deserialization of Untrusted Data
RCE
Memory Corruption
Buffer Overflow
Found an issue in the description? Have something to add? Feel free to write us 👾
Related Identifiers
Affected Products
Snap7