CVE-2008-4771

4xem VatCtrl Class - Stack-based Buffer Overflow via Url Property

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2008-4771. PoCs published by rgod.

AI-analyzed exploit summary This exploit targets a buffer overflow vulnerability in D-Link MPEG4 SHM Audio Control (VAPGDecoder.dll 1.7.0.5) via a maliciously crafted URL passed to the ActiveX control. It uses a heap spray technique to achieve remote code execution in Internet Explorer 7 on XP SP2.

Description

Stack-based buffer overflow in VATDecoder.VatCtrl.1 ActiveX control in (1) 4xem VatCtrl Class (VATDecoder.dll 1.0.0.27 and 1.0.0.51), (2) D-Link MPEG4 SHM Audio Control (VAPGDecoder.dll 1.7.0.5), (3) Vivotek RTSP MPEG4 SP Control (RtspVapgDecoderNew.dll 2.0.0.39), and possibly other products, allows remote attackers to execute arbitrary code via a long Url property. NOTE: some of these details are obtained from third party information.

Exploits (1)

exploitdb WORKING POC VERIFIED
by rgod · htmlremotewindows
https://www.exploit-db.com/exploits/5193

This exploit targets a buffer overflow vulnerability in D-Link MPEG4 SHM Audio Control (VAPGDecoder.dll 1.7.0.5) via a maliciously crafted URL passed to the ActiveX control. It uses a heap spray technique to achieve remote code execution in Internet Explorer 7 on XP SP2.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: D-Link MPEG4 SHM Audio Control (VAPGDecoder.dll 1.7.0.5)
No auth needed
Prerequisites: Victim must be using Internet Explorer 7 on Windows XP SP2 · ActiveX control must be installed and enabled
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (14)

Core 14
Core References
Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/29145
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/40867
Third Party Advisory, VDB Entry vdb-entry x_refsource_osvdb
http://osvdb.org/43007
Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/29131
Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/29146
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/40864
Third Party Advisory vdb-entry x_refsource_vupen
http://www.vupen.com/english/advisories/2008/0687/references
Third Party Advisory vdb-entry x_refsource_vupen
http://www.vupen.com/english/advisories/2008/0685/references
Exploit vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/28010
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/40863
Third Party Advisory, VDB Entry vdb-entry x_refsource_osvdb
http://osvdb.org/42378
Exploit, Third Party Advisory exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/5193
Third Party Advisory vdb-entry x_refsource_vupen
http://www.vupen.com/english/advisories/2008/0686/references
Third Party Advisory third-party-advisory x_refsource_sreason
http://securityreason.com/securityalert/4517

Scores

EPSS 0.0714
EPSS Percentile 93.5%

Details

CWE
CWE-119
Status published
Products (4)
4xem/vatctrl_class 1.0.0.27
4xem/vatctrl_class 1.0.0.51
d-link/mpeg4_shm_audio_control 1.7.0.5
vivotek/rtsp_mpeg4_sp_control 2.0.0.39
Published Oct 28, 2008
Tracked Since Feb 18, 2026