CVE-2009-1352

Dawningsoft PowerCHM 5.7 - Stack-Based Buffer Overflow via Long URL in HTML Link

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2009-1352. PoCs published by SuB-ZeRo.

AI-analyzed exploit summary This is a proof-of-concept for a local stack overflow vulnerability in PowerCHM 5.7. It exploits a long URL buffer overflow via a crafted HTML file, triggering an SEH overwrite with a large number of '%41' (A) characters.

Description

Stack-based buffer overflow in Dawningsoft PowerCHM 5.7 allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via an HTML file with a link to a long URL, as demonstrated by a .rar URL.

Exploits (1)

exploitdb WORKING POC VERIFIED
by SuB-ZeRo · htmldoswindows
https://www.exploit-db.com/exploits/8434

This is a proof-of-concept for a local stack overflow vulnerability in PowerCHM 5.7. It exploits a long URL buffer overflow via a crafted HTML file, triggering an SEH overwrite with a large number of '%41' (A) characters.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: PowerCHM 5.7
No auth needed
Prerequisites: Victim must open the malicious HTML file in a vulnerable version of PowerCHM
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (3)

Core 3
Core References
Exploit vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/34517
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/49882
Exploit, Third Party Advisory exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/8434

Scores

EPSS 0.0555
EPSS Percentile 91.8%

Details

CWE
CWE-119
Status published
Products (1)
dawningsoft/powerchm 5.7
Published Apr 21, 2009
Tracked Since Feb 18, 2026