Vulnerability Description
A security flaw has been discovered in davenardella snap7 up to 1.4.3. The impacted element is the function TSnap7Peer::NegotiatePDULength of the file src/core/s7_peer.cpp. The manipulation of the argument PDULength results in out-of-bounds write. The attack can be executed remotely. The exploit has been released to the public and may be used for attacks.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://github.com/davenardella/snap7/
- https://github.com/davenardella/snap7/issues/17
- https://vuldb.com/cve/CVE-2026-16225
- https://vuldb.com/submit/858228
- https://vuldb.com/vuln/380047
- https://vuldb.com/vuln/380047/cti
FAQ
What is CVE-2026-16225?
CVE-2026-16225 is a vulnerability with a CVSS score of 6.3 (MEDIUM). A security flaw has been discovered in davenardella snap7 up to 1.4.3. The impacted element is the function TSnap7Peer::NegotiatePDULength of the file src/core/s7_peer.cpp. The manipulation of the arg...
How severe is CVE-2026-16225?
CVE-2026-16225 has been rated MEDIUM with a CVSS base score of 6.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-16225?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.