High severity7.5NVD Advisory· Published Apr 2, 2025· Updated Jun 17, 2026

CVE-2025-2704

Description

OpenVPN version 2.6.1 through 2.6.13 in server mode using TLS-crypt-v2 allows remote attackers to trigger a denial of service by corrupting and replaying network packets in the early handshake phase

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

OpenVPN/OpenVPN3 versions
cpe:2.3:a:openvpn:openvpn:*:*:*:*:community:*:*:*+ 2 more
- cpe:2.3:a:openvpn:openvpn:*:*:*:*:community:*:*:*range: >=2.6.1,<=2.6.13
- (no CPE)range: 2.6.1-2.6.13
- (no CPE)range: 2.6.1
osv-coords7 versions
pkg:rpm/opensuse/openvpn&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/openvpn&distro=openSUSE%20Tumbleweed pkg:rpm/opensuse/openvpn-dco&distro=openSUSE%20Leap%2015.6 pkg:rpm/suse/openvpn&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP6 pkg:rpm/suse/openvpn&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP7 pkg:rpm/suse/openvpn-dco&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP6 pkg:rpm/suse/openvpn-dco&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP7
< 2.6.8-150600.3.17.1+ 6 more
- (no CPE)range: < 2.6.8-150600.3.17.1
- (no CPE)range: < 2.6.14-1.1
- (no CPE)range: < 2.6.8-150600.3.17.1
- (no CPE)range: < 2.6.8-150600.3.17.1
- (no CPE)range: < 2.6.8-150600.3.17.1
- (no CPE)range: < 2.6.8-150600.3.17.1
- (no CPE)range: < 2.6.8-150600.3.17.1

Patches

Vulnerability mechanics

References

www.openwall.com/lists/oss-security/2025/04/02/5nvdMailing List
community.openvpn.net/openvpn/wiki/CVE-2025-2704nvdBroken Link
www.mail-archive.com/[email protected]/msg00142.htmlnvd

News mentions

No linked articles in our index yet.

cvss	0.488
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000