{"id":"CVE-2026-16225","title":"A security flaw has been discovered in davenardella snap7 up to 1.4.3","summary":"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-bou…","severity":"medium","cvss":6.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L","cwe":["CWE-119","CWE-787"],"published":"2026-07-19","updated":"2026-07-19","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-16225","references":[{"url":"https://github.com/davenardella/snap7/","label":"cna@vuldb.com"},{"url":"https://github.com/davenardella/snap7/issues/17","label":"cna@vuldb.com"},{"url":"https://vuldb.com/cve/CVE-2026-16225","label":"cna@vuldb.com"},{"url":"https://vuldb.com/submit/858228","label":"cna@vuldb.com"},{"url":"https://vuldb.com/vuln/380047","label":"cna@vuldb.com"},{"url":"https://vuldb.com/vuln/380047/cti","label":"cna@vuldb.com"}],"tags":["nvd"],"epss":0.00399,"epssPercentile":0.3127,"ingestedAt":"2026-07-19T14:31:07.085Z","slug":"CVE-2026-16225","body":"## Overview\n\nA 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":35,"depthScoreParts":{"impact":34.7,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}