CVE-2005-0768

GoodTech Telnet Server 4.0-5.0 - Remote Code Execution via Long String to Port 2380

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 3 public exploits for CVE-2005-0768. PoCs published by Metasploit, Komrade, including Metasploit module exploits/windows/telnet/goodtech_telnet.

AI-analyzed exploit summary This is a Metasploit module exploiting a stack buffer overflow in GoodTech Telnet Server <= 5.0.6 via a long string sent to TCP port 2380, allowing remote code execution.

Description

Buffer overflow in the administration web server for GoodTech Telnet Server 4.0 and 5.0, and possibly all versions before 5.0.7, allows remote attackers to execute arbitrary code via a long string to port 2380.

Exploits (3)

exploitdb WORKING POC VERIFIED
by Metasploit · rubyremotewindows
https://www.exploit-db.com/exploits/16817

This is a Metasploit module exploiting a stack buffer overflow in GoodTech Telnet Server <= 5.0.6 via a long string sent to TCP port 2380, allowing remote code execution.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: GoodTech Telnet Server <= 5.0.6
No auth needed
Prerequisites: Network access to target · Target running vulnerable GoodTech Telnet Server
devstral-2 · analyzed Feb 16, 2026 Full analysis →
exploitdb WORKING POC VERIFIED
by Komrade · c++doswindows
https://www.exploit-db.com/exploits/882

This exploit targets a buffer overflow vulnerability in GoodTech Telnet Server by sending a maliciously crafted HTTP GET request to the administration server on port 2380. The payload consists of a long string (10032 bytes) followed by an invalid memory address (0xDEADC0DE), causing the server to crash.

Classification
Working Poc 95%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: GoodTech Telnet Server versions 4.0 - 5.0 (prior to 5.0.7)
No auth needed
Prerequisites: Network access to the target's administration port (2380) · GoodTech Telnet Server version 4.0 - 5.0 (prior to 5.0.7)
devstral-2 · analyzed Feb 16, 2026 Full analysis →
metasploit WORKING POC NORMAL
rubypocwin
https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/telnet/goodtech_telnet.rb

This Metasploit module exploits a stack buffer overflow in GoodTech Telnet Server by sending an overly long string to overwrite the buffer and control program execution. It includes SEH-based payload delivery and targets specific Windows versions with known return addresses.

Classification
Working Poc 100%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: GoodTech Systems Telnet Server < 5.0.7
No auth needed
Prerequisites: Network access to the target system · Telnet server running on port 2380
devstral-2 · analyzed Feb 19, 2026 Full analysis →

References (2)

Core 2
Core References
Mailing List mailing-list x_refsource_bugtraq
http://marc.info/?l=bugtraq&m=111092012415193&w=2

Scores

EPSS 0.7536
EPSS Percentile 98.9%

Details

Status published
Products (2)
goodtech_systems/goodtech_telnet_server 4.0
goodtech_systems/goodtech_telnet_server 5.0
Published May 02, 2005
Tracked Since Feb 18, 2026