CVE•Published 2025-12-01•Modified 2026-09-26•1 article on news•5 live references•NVD data
CVE-2025-12106Openvpn · Openvpn
Vulnerability data via NVD (ingested)
CVSS v3.1
9.1
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
EPSS percentile
45
Exploit Prediction Scoring System · top 55% of all CVEs
Weaknesses (CWE)
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
Timeline
Published 2025-12-01
Modified 2026-09-26
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
Shodan · vuln tag0 hosts
vuln:CVE-2025-12106Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product + version
product:"Openvpn Openvpn" version:"2.6.13"Version-pinned fingerprint from NVD's first vulnerable CPE.
Shodan · banner/body mention
http.html:"Openvpn"HTTP body or banner mentions "Openvpn" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2025-12106Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2025-12106Censys host search filtered to this CVE id.
grep.app
CVE-2025-12106Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2025-12106GitHub code search for direct mentions.
Google dork
"CVE-2025-12106" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2025-12106 on GitHub.