CVE-2008-4729

Hummingbird Exceed < 13.0 - Stack-Based Buffer Overflow via PlainTextPassword Property

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2008-4729. PoCs published by Thomas Pollet.

AI-analyzed exploit summary This exploit targets a buffer overflow vulnerability in an ActiveX control (CLSID: FFB6CC68-702D-4FE2-A8E7-4DE23835F0D2) by passing an overly long string to the PlainTextPassword property. The PoC demonstrates the vulnerability but does not include a full exploit payload.

Description

Stack-based buffer overflow in Hummingbird.XWebHostCtrl.1 ActiveX control (hclxweb.dll) in Hummingbird Xweb ActiveX Control 13.0 and earlier allows remote attackers to execute arbitrary code via a long PlainTextPassword property. NOTE: code execution might not be possible in 13.0.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Thomas Pollet · htmldoswindows
https://www.exploit-db.com/exploits/6761

This exploit targets a buffer overflow vulnerability in an ActiveX control (CLSID: FFB6CC68-702D-4FE2-A8E7-4DE23835F0D2) by passing an overly long string to the PlainTextPassword property. The PoC demonstrates the vulnerability but does not include a full exploit payload.

Classification
Working Poc 90%
Attack Type
Rce
Complexity
Trivial
Reliability
Theoretical
Target: ActiveX control (CLSID: FFB6CC68-702D-4FE2-A8E7-4DE23835F0D2) versions prior to 13.0
No auth needed
Prerequisites: Victim must visit a malicious webpage hosting the exploit · ActiveX control must be installed and vulnerable
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (5)

Core 5
Core References
Exploit, Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/32319
Third Party Advisory third-party-advisory x_refsource_sreason
http://securityreason.com/securityalert/4505
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/45941
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/31783
Exploit, Third Party Advisory exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/6761

Scores

EPSS 0.0690
EPSS Percentile 93.2%

Details

CWE
CWE-119
Status published
Products (6)
hummingbird/exceed 9.0
hummingbird/exceed 10.0
hummingbird/exceed 2006
hummingbird/exceed 2007
hummingbird/exceed < 13.0
hummingbird/exceed_powersuite
Published Oct 24, 2008
Tracked Since Feb 18, 2026