CVE-2025-32787 - CVE House

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Status published Low CVE-2025-32787

SoftEtherVPN Affected by NULL dereference in DeleteIPv6DefaultRouterInRA

3.1 CVSS

Vulnerability Description

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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

More from SoftEtherVPN

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SoftEther VPN with L2TP - 2.75x Amplification

Affected Vendor

SoftEtherVPN

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Affected Software

SoftEtherVPN

Vulnerable Versions:

>= 5.02.5184, <= 5.02.5187

Timeline

Official Publish: April 16th, 2025

Last Modified: April 17th, 2025

Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L

Weaknesses (CWE)

MITRE ATT&CK TTPs

T1499 Endpoint Denial of Service

T1499.004 Application or System Exploitation

T1489 Service Stop

T1203 Exploitation for Client Execution

T1190 Exploit Public-Facing Application