{"id":"CVE-2025-12106","url":"https://www.cyber-defence.io/tools/cve/CVE-2025-12106","generatedAt":"2026-10-28T01:14:15.505Z","title":"Insufficient argument validation in OpenVPN 2.7_alpha1 through 2.7_rc1 allows an attacker to trigger a heap buffer over-read when parsing IP addresses","description":"Insufficient argument validation in OpenVPN 2.7_alpha1 through 2.7_rc1 allows an attacker to trigger a heap buffer over-read when parsing IP addresses","published":"2025-12-01T13:16:00.000Z","lastModified":"2026-09-26T00:10:00.000Z","status":"Analyzed","sourceIdentifier":"security@openvpn.net","cvss":{"version":"3.1","score":9.1,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H"},"cwe":["CWE-126"],"affected":["openvpn/openvpn"],"epss":{"score":0.00556,"percentile":0.46105,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.56%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://community.openvpn.net/Security%20Announcements/CVE-2025-12106","tags":["Vendor Advisory"],"source":"security@openvpn.net"},{"url":"https://www.mail-archive.com/openvpn-announce@lists.sourceforge.net/msg00152.html","tags":["Mailing List"],"source":"security@openvpn.net"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2025-12106","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}