CVE-2008-6899

freeSSHd 1.2.1 - Authenticated Buffer Overflow via SFTP Commands

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2008-6899. PoCs published by r0ut3r.

AI-analyzed exploit summary This exploit targets a buffer overflow vulnerability in FreeSSHd 1.2.1 via the SFTP Rename operation. It uses a crafted payload with NOPs, shellcode, and SEH overwrite to achieve remote code execution (RCE).

Description

Multiple buffer overflows in freeSSHd 1.2.1 allow remote authenticated users to cause a denial of service (crash) and execute arbitrary code via a long (1) open, (2) unlink, (3) mkdir, (4) rmdir, or (5) stat SFTP command.

Exploits (1)

exploitdb WORKING POC VERIFIED
by r0ut3r · perlremotewindows
https://www.exploit-db.com/exploits/8295

This exploit targets a buffer overflow vulnerability in FreeSSHd 1.2.1 via the SFTP Rename operation. It uses a crafted payload with NOPs, shellcode, and SEH overwrite to achieve remote code execution (RCE).

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: FreeSSHd 1.2.1
Auth required
Prerequisites: Network access to the target · Valid credentials for authentication · SFTP service enabled
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (4)

Core 4
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/52434
Exploit vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/32972
Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/499486/100/0/threaded

Scores

EPSS 0.0529
EPSS Percentile 91.5%

Details

CWE
CWE-119
Status published
Products (1)
freesshd/freesshd 1.2.1
Published Aug 05, 2009
Tracked Since Feb 18, 2026