CVE-2006-6184

Allied Telesyn AT-TFTP < 1.9 - Stack-Based Buffer Overflow via Long Filename in GET or PUT Command

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 7 public exploits for CVE-2006-6184. PoCs published by xis_one, Metasploit, Jacopo Cervini, including Metasploit module exploits/windows/tftp/attftp_long_filename.

AI-analyzed exploit summary This exploit demonstrates a stack-based buffer overflow in AT-TFTP 2.0, leading to a denial-of-service (DoS) condition. It sends a maliciously crafted UDP packet to trigger a crash, with two variants: one attempting SEH overwrite and another causing a read access violation.

Description

Multiple stack-based buffer overflows in Allied Telesyn TFTP Server (AT-TFTP) 1.9, and possibly earlier, allow remote attackers to cause a denial of service (crash) or execute arbitrary code via a long filename in a (1) GET or (2) PUT command.

Exploits (7)

exploitdb WORKING POC VERIFIED
by xis_one · pythondoswindows
https://www.exploit-db.com/exploits/24952

This exploit demonstrates a stack-based buffer overflow in AT-TFTP 2.0, leading to a denial-of-service (DoS) condition. It sends a maliciously crafted UDP packet to trigger a crash, with two variants: one attempting SEH overwrite and another causing a read access violation.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Moderate
Reliability
Reliable
Target: AT-TFTP 2.0
No auth needed
Prerequisites: Network access to the target TFTP server
devstral-2 · analyzed Feb 16, 2026 Full analysis →
exploitdb WORKING POC VERIFIED
by Metasploit · rubyremotewindows
https://www.exploit-db.com/exploits/16350

This exploit targets a stack buffer overflow in AT-TFTP v1.9 by sending a maliciously crafted UDP packet with an overly long filename. It leverages a JMP ESP instruction to redirect execution to the payload, achieving remote code execution.

Classification
Working Poc 100%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Allied Telesyn TFTP Server 1.9
No auth needed
Prerequisites: Network access to UDP port 69 on the target · Target system running Allied Telesyn TFTP Server 1.9
devstral-2 · analyzed Feb 16, 2026 Full analysis →
exploitdb WORKING POC VERIFIED
by Jacopo Cervini · perlremotewindows
https://www.exploit-db.com/exploits/2887

This exploit targets a buffer overflow vulnerability in ATFTP server via a maliciously crafted UDP packet. It includes shellcode to execute calc.exe on Windows 2000 Server SP4 Italian, leveraging a specific return address in IMM32.dll.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: ATFTP Server (version not specified, likely pre-2006)
No auth needed
Prerequisites: Network access to the target ATFTP server · Target running Windows 2000 Server SP4 Italian with IMM32.dll at the specified address
devstral-2 · analyzed Feb 16, 2026 Full analysis →
exploitdb WORKING POC
by Socket_0x03 · cdoswindows
https://www.exploit-db.com/exploits/10603

This exploit targets a remote buffer overflow in TFTP Daemon Version 1.9, leading to a denial of service (DoS). It sends a maliciously crafted packet with an oversized buffer to trigger the vulnerability.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: TFTP Daemon Version 1.9
No auth needed
Prerequisites: Network access to the vulnerable TFTP Daemon
devstral-2 · analyzed Feb 16, 2026 Full analysis →
nomisec WORKING POC 11 stars
by shauntdergrigorian · poc
https://github.com/shauntdergrigorian/cve-2006-6184

This repository contains a functional Python exploit for CVE-2006-6184, targeting a stack-based buffer overflow in Allied Telesyn TFTP Server 1.9. The exploit includes detailed instructions for generating a custom payload using Metasploit and sends a crafted UDP packet to trigger the vulnerability.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Allied Telesyn TFTP Server 1.9
No auth needed
Prerequisites: Metasploit for payload generation · Network access to the target TFTP server
devstral-2 · analyzed Feb 18, 2026 Full analysis →
nomisec WORKING POC
by b03902043 · poc
https://github.com/b03902043/CVE-2006-6184

This repository contains a functional Python-based exploit for CVE-2006-6184, targeting a stack-based buffer overflow in Allied Telesyn TFTP Server 1.9. The exploit includes a payload generator and a UDP-based attack script to achieve remote code execution.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Allied Telesyn TFTP Server 1.9
No auth needed
Prerequisites: Metasploit for payload generation · Network access to the target TFTP server
devstral-2 · analyzed Feb 18, 2026 Full analysis →
metasploit WORKING POC NORMAL
by aushack · rubypocwin
https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/tftp/attftp_long_filename.rb

This Metasploit module exploits a stack buffer overflow in AT-TFTP v1.9 by sending a crafted UDP request with an overly long filename, leading to remote code execution. It includes multiple return addresses for various Windows versions and a payload delivery mechanism.

Classification
Working Poc 100%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Allied Telesyn TFTP Server 1.9
No auth needed
Prerequisites: Network access to the TFTP server (UDP port 69) · Target system running Allied Telesyn TFTP Server 1.9
devstral-2 · analyzed Feb 19, 2026 Full analysis →

References (10)

Core 10
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_osvdb
http://www.osvdb.org/11350
Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/23106
Third Party Advisory third-party-advisory x_refsource_sreason
http://securityreason.com/securityalert/8120
Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/452743/100/0/threaded
Exploit, Third Party Advisory exploit x_refsource_exploit-db
http://www.exploit-db.com/exploits/24952
Third Party Advisory third-party-advisory x_refsource_sreason
http://securityreason.com/securityalert/1929
Exploit, Third Party Advisory exploit x_refsource_exploit-db
http://www.exploit-db.com/exploits/16350
Third Party Advisory vdb-entry x_refsource_vupen
http://www.vupen.com/english/advisories/2006/4737
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/30539
Exploit vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/21320

Scores

EPSS 0.6425
EPSS Percentile 99.1%

Details

Status published
Products (1)
alliedtelesyn/at-tftp < 1.9
Published Dec 01, 2006
Tracked Since Feb 18, 2026