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Posts tagged #wolfSSH

🔐 New interoperability testing for wolfSSH is live!
Automated GitHub Actions now validate wolfSSH’s SFTP server with Paramiko — ensuring seamless, standards-compliant file transfers for Python-based clients.

Learn more: www.wolfssl.com/inte...

#wolfSSH #SFTP #SSH #Interoperability #Python #DevOps

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Interoperability Testing: wolfSSH Server with Paramiko SFTP Client We’re pleased to announce the addition of automated interoperability testing between wolfSSH and Paramiko. This GitHub Actions workflow validates that wolfSSH’s SFTP server implementation works seamlessly with Paramiko, one of the most widely used Python SSH/SFTP client libraries. Download wolfSSL → About Paramiko Paramiko is a pure-Python implementation of SSHv2 that provides both client and […]
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wolfSSH v1.4.22 Release Look at that! wolfSSH had another release. New year, new version. Welcome to wolfSSH v1.4.22. This is mainly a bug fix release. We’ve improved interoperability with other implementations of SSH. We’ve improved the build process with several IDEs, Zephyr, and LwIP. We also added an SFTP client example for the Renesas RX72N platform. There is […]
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Vulnerability Disclosure: wolfSSH CVE-2025-11624 Affected Users: wolfSSH with SFTP enabled on the server side before version 1.4.21. Summary: A stack overflow vulnerability was discovered in wolfSSH’s SFTP server implementation. After an SFTP connection is established, a malicious SFTP client could send a specially crafted read, write, or set state SFTP packet that would cause the SFTP server code to […]
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FATFS Enhancements in wolfSSH 1.4.21 FATFS Ready in wolfSSH 1.4.21 wolfSSH 1.4.21 is now available, and this release focuses on making FATFS-backed SFTP deployments easier to ship, test, and maintain. Since tagging v1.4.20-stable, we invested in reliability improvements, developer tooling, and CI coverage that harden FATFS integration for embedded SSH gateways, industrial control systems, and secure file transfer clients. This […]
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Keyboard-Interactive (RFC 4256) lands in wolfSSH — flexible SSH authentication for embedded, IoT, and server use At wolfSSL we build compact, high-performance security libraries for systems that range from tiny MCUs to cloud servers. Our SSHv2 library, wolfSSH, now supports Keyboard-Interactive authentication (RFC 4256), enabling rich challenge/response and multi-step logins without changing your client code. Keyboard-Interactive first shipped in wolfSSH 1.4.20 and has since seen API refinements to simplify how applications […]
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wolfSSH 1.4.21 Released Version 1.4.21 of wolfSSH is now available! This update includes a critical security fix, improved interoperability, and enhancements for embedded and hardware-backed key use cases. Security Updates This release addresses two security issues: CVE-2025-11625: Fixed a client-side host verification bypass that could expose credentials (PR#840). CVE-2025-11624: Fixed an SFTP server stack overflow triggered by malformed […]
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wolfSSH 1.4.21 Released Version 1.4.21 of wolfSSH is now available! This update includes a critical security fix, improved interoperability, and enhancements for embedded and hardware-backed key use cases. Security Updates This release addresses two security issues: CVE-2025-11625: Fixed a client-side host verification bypass that could expose credentials (PR#840). CVE-2025-11624: Fixed an SFTP server stack overflow triggered by malformed […]
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wolfSSH 1.4.21 Released Version 1.4.21 of wolfSSH is now available! This update includes a critical security fix, improved interoperability, and enhancements for embedded and hardware-backed key use cases. Security Updates This release addresses two security issues: CVE-2025-11625: Fixed a client-side host verification bypass that could expose credentials (PR#840). CVE-2025-11624: Fixed an SFTP server stack overflow triggered by malformed […]
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wolfSSH 1.4.21 Released Version 1.4.21 of wolfSSH is now available! This update includes a critical security fix, improved interoperability, and enhancements for embedded and hardware-backed key use cases. Security Updates This release addresses two security issues: CVE-2025-11625: Fixed a client-side host verification bypass that could expose credentials (PR#840). CVE-2025-11624: Fixed an SFTP server stack overflow triggered by malformed […]
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wolfSSH 1.4.21 Released Version 1.4.21 of wolfSSH is now available! This update includes a critical security fix, improved interoperability, and enhancements for embedded and hardware-backed key use cases. Security Updates This release addresses two security issues: CVE-2025-11625: Fixed a client-side host verification bypass that could expose credentials (PR#840). CVE-2025-11624: Fixed an SFTP server stack overflow triggered by malformed […]
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wolfSSH 1.4.21 Released Version 1.4.21 of wolfSSH is now available! This update includes a critical security fix, improved interoperability, and enhancements for embedded and hardware-backed key use cases. Security Updates This release addresses two security issues: CVE-2025-11625: Fixed a client-side host verification bypass that could expose credentials (PR#840). CVE-2025-11624: Fixed an SFTP server stack overflow triggered by malformed […]
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wolfSSH 1.4.21 Released Version 1.4.21 of wolfSSH is now available! This update includes a critical security fix, improved interoperability, and enhancements for embedded and hardware-backed key use cases. Security Updates This release addresses two security issues: CVE-2025-11625: Fixed a client-side host verification bypass that could expose credentials (PR#840). CVE-2025-11624: Fixed an SFTP server stack overflow triggered by malformed […]
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