CVE-2025-11624
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-10-21

Last updated on: 2025-12-04

Assigner: wolfSSL Inc.

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.
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Meta Information
Published
2025-10-21
Last Modified
2025-12-04
Generated
2026-06-16
AI Q&A
2025-10-21
EPSS Evaluated
2026-06-15
NVD
CVE-2025-11624
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
wolfssh wolfssh From 1.3.0 (inc) to 1.4.20 (inc)
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Exploitability
CWE
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KEV
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CWE ID Description
CWE-787 The product writes data past the end, or before the beginning, of the intended buffer.
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Executive Summary

This vulnerability is a potential stack buffer overwrite on the SFTP server side. It occurs when the server receives a malicious packet containing a handle size that is larger than the system's handle or file descriptor size but smaller than the maximum allowed handle size. This mismatch can lead to overwriting parts of the stack, potentially causing unexpected behavior or crashes.

Impact Analysis

The vulnerability can lead to a stack buffer overwrite, which may cause the SFTP server to behave unpredictably, crash, or potentially be exploited to execute arbitrary code. This could result in denial of service or unauthorized actions on the affected system.

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