CVE-2007-5603

SonicWall SSL-VPN < 2.1 - Stack-Based Buffer Overflow via NetExtender NELaunchCtrl AddRouteEntry Method

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 3 public exploits for CVE-2007-5603. PoCs published by Metasploit, krafty, MC, including Metasploit module exploits/windows/browser/sonicwall_addrouteentry.

AI-analyzed exploit summary This Metasploit module exploits a stack buffer overflow in SonicWall SSL-VPN NetExtender's ActiveX control via the 'AddRouteEntry()' method. It delivers a payload through a malicious HTML page to achieve remote code execution.

Description

Stack-based buffer overflow in the SonicWall SSL-VPN NetExtender NELaunchCtrl ActiveX control before 2.1.0.51, and 2.5.x before 2.5.0.56, allows remote attackers to execute arbitrary code via a long string in the second argument to the AddRouteEntry method.

Exploits (3)

exploitdb WORKING POC VERIFIED
by Metasploit · rubyremotewindows
https://www.exploit-db.com/exploits/16616

This Metasploit module exploits a stack buffer overflow in SonicWall SSL-VPN NetExtender's ActiveX control via the 'AddRouteEntry()' method. It delivers a payload through a malicious HTML page to achieve remote code execution.

Classification
Working Poc 100%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: SonicWall SSL-VPN NetExtender (NELaunchX.dll 1.0.0.26)
No auth needed
Prerequisites: Target must visit a malicious webpage · ActiveX control must be installed and enabled
devstral-2 · analyzed Feb 16, 2026 Full analysis →
exploitdb WORKING POC VERIFIED
by krafty · htmlremotewindows
https://www.exploit-db.com/exploits/4594

This exploit targets a buffer overflow vulnerability in the SonicWall SSL-VPN NeLaunchCtrl ActiveX control. It uses heap spraying and shellcode execution to achieve remote code execution, demonstrated by launching the calculator.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: SonicWall SSL-VPN NeLaunchCtrl ActiveX Control
No auth needed
Prerequisites: Victim must visit a malicious webpage using Internet Explorer with the vulnerable ActiveX control installed
devstral-2 · analyzed Feb 16, 2026 Full analysis →
metasploit WORKING POC NORMAL
by MC · rubypocwin
https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/browser/sonicwall_addrouteentry.rb

This Metasploit module exploits a stack buffer overflow in SonicWall SSL-VPN NetExtender's ActiveX control via the 'AddRouteEntry()' method. It delivers a crafted payload to achieve remote code execution on vulnerable systems.

Classification
Working Poc 100%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: SonicWall SSL-VPN NetExtender (NELaunchX.dll 1.0.0.26)
No auth needed
Prerequisites: Victim must visit a malicious web page hosting the exploit · ActiveX control must be installed and enabled
devstral-2 · analyzed Feb 19, 2026 Full analysis →

References (12)

Core 12
Core References
Third Party Advisory, US Government Resource x_refsource_misc
http://www.kb.cert.org/vuls/id/WDON-78K56M
US Government Resource third-party-advisory x_refsource_cert-vn
http://www.kb.cert.org/vuls/id/298521
Third Party Advisory vdb-entry x_refsource_vupen
http://www.vupen.com/english/advisories/2007/3696
Exploit, Third Party Advisory exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/4594
Third Party Advisory third-party-advisory x_refsource_sreason
http://securityreason.com/securityalert/3342
Exploit vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/26288
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id?1018891
Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/27469
Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/483097/100/0/threaded
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/38220
Various Sources x_refsource_misc
http://www.sec-consult.com/303.html

Scores

EPSS 0.7032
EPSS Percentile 98.7%

Details

CWE
CWE-119
Status published
Products (1)
sonicwall/ssl_vpn < 2.1
Published Nov 05, 2007
Tracked Since Feb 18, 2026