CVE-2009-0812

BreakPoint Software Hex Workshop <6 - Buffer Overflow

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 2 public exploits for CVE-2009-0812. PoCs published by hack4love, DATA_SNIPER.

AI-analyzed exploit summary This exploit targets a local buffer overflow vulnerability in Hex Workshop (versions 3.x to 6.x) via a crafted .hex file. It leverages SEH overwrites and shellcode execution to achieve arbitrary code execution (e.g., launching calc.exe).

Description

Stack-based buffer overflow in BreakPoint Software Hex Workshop 4.23, 6.0.1.4603, and other 6.x and earlier versions allows remote attackers to execute arbitrary code via a crafted Intel Hex Code (.hex) file. NOTE: some of these details are obtained from third party information.

Exploits (2)

exploitdb WORKING POC VERIFIED
by hack4love · pythonlocalwindows
https://www.exploit-db.com/exploits/9550

This exploit targets a local buffer overflow vulnerability in Hex Workshop (versions 3.x to 6.x) via a crafted .hex file. It leverages SEH overwrites and shellcode execution to achieve arbitrary code execution (e.g., launching calc.exe).

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Hex Workshop v3.11, v4.00-4.23, v5.0-5.1.4, v6.0.0-6.0.1
No auth needed
Prerequisites: Victim must open the malicious .hex file in Hex Workshop
devstral-2 · analyzed Feb 16, 2026 Full analysis →
exploitdb WORKING POC VERIFIED
by DATA_SNIPER · perllocalwindows
https://www.exploit-db.com/exploits/8121

This exploit targets a local code execution vulnerability in Hex Workshop v6 by crafting a malicious .hex file. It leverages a stack-based buffer overflow to execute arbitrary shellcode (calc.exe) when the file is imported.

Classification
Working Poc 90%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Hex Workshop v6
No auth needed
Prerequisites: Local access to the target system · Hex Workshop v6 installed
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (6)

Core 6
Core References
Exploit, Third Party Advisory exploit x_refsource_exploit-db
http://www.exploit-db.com/exploits/9550
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/48970
Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/501300/100/0/threaded
Exploit, Third Party Advisory exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/8121
Exploit vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/33932
Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/34021

Scores

EPSS 0.0690
EPSS Percentile 93.2%

Details

CWE
CWE-119
Status published
Products (26)
bpsoft/hex_workshop 1.0
bpsoft/hex_workshop 2.00
bpsoft/hex_workshop 2.01
bpsoft/hex_workshop 2.10
bpsoft/hex_workshop 2.20
bpsoft/hex_workshop 2.50
bpsoft/hex_workshop 2.52
bpsoft/hex_workshop 2.53
bpsoft/hex_workshop 2.54
bpsoft/hex_workshop 3.00
... and 16 more
Published Mar 04, 2009
Tracked Since Feb 18, 2026