EIP-2026-100966

PRE-CVE

FreeBSD OpenSSH 3.5p1 - Remote Command Execution

Title source: legacy

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-100966. PoCs published by kingcope.

AI-analyzed exploit summary This exploit targets a buffer overflow vulnerability in OpenSSH 3.5p1 on FreeBSD 4.9 and 4.11, allowing remote root access prior to authentication. The PoC modifies an OpenSSH client to send a long username, triggering a crash and controlling EIP to execute a reverse shell.

Description

FreeBSD OpenSSH 3.5p1 - Remote Command Execution

Exploits (1)

exploitdb WORKING POC VERIFIED

by kingcope · textremotefreebsd

https://www.exploit-db.com/exploits/17462

View Code ZIP pw:eip

This exploit targets a buffer overflow vulnerability in OpenSSH 3.5p1 on FreeBSD 4.9 and 4.11, allowing remote root access prior to authentication. The PoC modifies an OpenSSH client to send a long username, triggering a crash and controlling EIP to execute a reverse shell.

Classification

Working Poc 95%

Attack Type

Rce

Complexity

Moderate

Reliability

Reliable

Target: OpenSSH 3.5p1 on FreeBSD 4.9 and 4.11

No auth needed

Prerequisites: Target running OpenSSH 3.5p1 on FreeBSD 4.9 or 4.11 · Network access to the target

MITRE ATT&CK

T1189 - Drive-by Compromise T1068 - Exploitation for Privilege Escalation

devstral-2 · analyzed Feb 16, 2026 Full analysis →

Details

Status pre_cve

Tracked Since Feb 18, 2026