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CVE-2025-32787

Date: April 16, 2025

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.

Severity Score

Related Resources (5)

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://nvd.nist.gov/vuln/detail/CVE-2025-32787
https://www.mend.io/vulnerability-database/CVE-2025-32787

Severity Score

Weakness Type (CWE)

NULL Pointer Dereference

CWE-476

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): LOW

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