CVE-2025-32787

SoftEtherVPN is a an open-source cross-platform multi-protocol VPN Program. Versions 5.02.5184 to 5.02.5187 are vulnerable to NULL dereference in `DeleteIPv6DefaultRouterInRA` called by `StorePacket`. Before dereferencing, `DeleteIPv6DefaultRouterInRA` does not account for `ParsePacket` returning NULL, resulting in the program crashing. A patched version does not exist at this time.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
3.1 LOW
NETWORK
HIGH
LOW
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L
GitHub_MCNA
3.1 LOW
NETWORK
HIGH
LOW
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L
CISA-ADPADP
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Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 11%
Common Weakness Enumeration
References
https://github.com/SoftEtherVPN/SoftEtherVPN/blob/7006539732c0231d7723623cc8732f94ba2b8c54/src/Cedar/Hub.c#L5112C1-L5116C29
https://github.com/SoftEtherVPN/SoftEtherVPN/blob/master/src/Mayaqua/TcpIp.c#L1633
https://github.com/SoftEtherVPN/SoftEtherVPN/security/advisories/GHSA-xw53-587j-mqh6
https://github.com/SoftEtherVPN/SoftEtherVPN/security/advisories/GHSA-xw53-587j-mqh6