CVE-2025-11624

Buffer overwrite when processing file handles with the SFTP server

Published Oct 21, 2025 CVSS 4.0 · 1.8 Low EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:a:wolfssh:wolfssh:*:*:*:*:*:*:*:*
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Type Values Removed Values Added
First Time appeared Wolfssh
Wolfssh wolfssh
Vendors & Products Wolfssh
Wolfssh wolfssh
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Buffer overwrite when processing file handles with the SFTP server
Weaknesses CWE-787
References
Metrics cvssV4_0

{'score': 1.8, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:A/VC:L/VI:L/VA:L/SC:N/SI:N/SA:L'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
wolfSSL
Published
Updated
Oct 21, 2025, 2:08 PM
Reserved
Oct 10, 2025, 9:06 PM
Status
Analyzed
Published
Oct 21, 2025, 2:15 PM
Modified
Oct 19, 2026, 4:10 PM