CVE-2025-11624: Potential stack buffer overwrite on the SFTP server side when receiving a malicious packet that has a handle size…

CVE-2025-11624 · Severity: critical · CVSS 9.8 · Published 2025-10-21

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.

Technologies: Wolfssh. Vendors: Wolfssh.

Quick answers

Is CVE-2025-11624 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2025-11624 being exploited in the wild.
How severe is CVE-2025-11624?
Critical severity, with a CVSS score of 9.8, published 21 October 2025.
Which products and versions are affected?
Wolfssh. The advisory does not name versions.
Is there a fix for CVE-2025-11624?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
Am I affected by CVE-2025-11624?
Check whether you run Wolfssh. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Affected products

  • Wolfssh

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