CVE-2025-2704

Summary

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

Affected Software

Weaknesses

• CWE-754: CWE-754 Improper Check for Unusual or Exceptional Conditions

ADP Enrichment

CVE Program Container

Additional References

• http://www.openwall.com/lists/oss-security/2025/04/02/5

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: partial

References

• https://community.openvpn.net/openvpn/wiki/CVE-2025-2704
• https://www.mail-archive.com/openvpn-announce@lists.sourceforge.net/msg00142.html

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