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CRITICAL · 9.8

CVE-2025-11624

Potential stack buffer overwrite on the SFTP server side when receiving a malicious packet that has a handle size larger than the system handle or file descriptor size, but smaller than max handle siz...

Vulnerability Description

Potential stack buffer overwrite on the SFTP server side when receiving a malicious packet that has a handle size larger than the system handle or file descriptor size, but smaller than max handle size allowed.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
WolfsshWolfssh>= 1.3.0, <= 1.4.20

Related Weaknesses (CWE)

CWE-787

References

FAQ

What is CVE-2025-11624?

CVE-2025-11624 is a vulnerability with a CVSS score of 9.8 (CRITICAL). Potential stack buffer overwrite on the SFTP server side when receiving a malicious packet that has a handle size larger than the system handle or file descriptor size, but smaller than max handle siz...

How severe is CVE-2025-11624?

CVE-2025-11624 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2025-11624?

Check the references section above for vendor advisories and patch information. Affected products include: Wolfssh Wolfssh.