CVE•Published 2026-06-10•Modified 2026-07-23•0 articles on news•4 live references•NVD data

CVE-2026-11604

Vulnerability data via NVD (ingested)

CVSS v3.1

—

EPSS percentile

Exploit Prediction Scoring System · top 96% of all CVEs

Weaknesses (CWE)

CWE-122Heap-based Buffer Overflow CWE-131Incorrect Calculation of Buffer Size CWE-787Out-of-bounds Write

Description

An incorrect buffer size calculation in the epoch key generator in OpenVPN ovpn-dco-win version 2.0.0 through 2.8.3 allows a remote authenticated peer to trigger a heap-based buffer overflow and kernel memory corruption via a crafted data packet, resulting in a system crash (denial of service).

Timeline

Published 2026-06-10

Modified 2026-07-23

External references

NVD MITRE Exploit-DB VulnCheck

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-2026-11604

Hosts Shodan has explicitly fingerprinted as vulnerable.

More intel sources (5)

Shodan report

vuln:CVE-2026-11604

Country / ASN / product breakdown for the vuln query.

Censys

vulnerabilities.cve_id: CVE-2026-11604

Censys host search filtered to this CVE id.

grep.app

CVE-2026-11604