Erlang SSH Vulnerability: A Hack-tastrophe Waiting to Happen!

Erlang/OTP SSH library’s critical vulnerability, CVE-2025-32433, could lead to device takeovers. Discovered by researchers at Ruhr University Bochum, this flaw allows attackers to send protocol messages pre-authentication, potentially executing arbitrary code. Devices using Erlang’s SSH library, including many Cisco and Ericsson systems, are at risk. Patch now or risk a hacker’s uninvited guest appearance!

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Hot Take:

Forget Trick or Treat, it’s Trick or Hack! The Erlang/OTP SSH library just handed out the scariest Halloween surprise with a vulnerability so critical, it practically screams “Welcome, hackers!” If your device’s SSH daemon is running as root, it’s time to pray it’s not yet the latest victim of “CVE-2025-32433: The Great Device Takeover”.

Key Points:

  • Erlang/OTP SSH library is hit by a critical vulnerability, CVE-2025-32433, with a CVSS score of 10.
  • The flaw allows attackers to send SSH protocol messages before authentication, leading to potential device takeover.
  • This vulnerability affects all SSH servers using the Erlang/OTP SSH library, particularly those used for remote access.
  • Patching is available with releases OTP-27.3.3, OTP-26.2.5.11, and OTP-25.3.2.20, with firewall rules as a temporary workaround.
  • Devices from major companies like Cisco and Ericsson, and various OT/IoT devices are at risk.

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