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CVE-2007-5603

62
FAUCET Score

CVE-2007-5603 is a critical stack-based buffer overflow vulnerability affecting the SonicWall SSL-VPN NetExtender ActiveX control in versions prior to 2.1.0.51 and 2.5.x prior to 2.5.0.56. This flaw allows unauthenticated remote attackers to execute arbitrary code on a vulnerable system by providing a specially crafted, long string to the AddRouteEntry method. With a CVSS score of 9.3 and a FAUCET Risk Score of 99/100, the vulnerability is highly severe, enabling complete compromise of confidentiality, integrity, and availability with medium attack complexity. While not listed on the KEV catalog, exploit modules are publicly available in Metasploit and ExploitDB, indicating a high potential for exploitation, despite a lack of broader community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.1CPE matchmatch criteria
cpe:2.3:a:sonicwall:ssl_vpn:*:*:*:*:*:*:*:*
<= 2.5CPE matchmatch criteria
cpe:2.3:a:sonicwall:ssl_vpn:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

9.3HIGH

AV:N/AC:M/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
37.98%
Probability of exploitation in next 30 days
EPSS Percentile
98.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Metasploit: SonicWall SSL-VPN NetExtender ActiveX Control Buffer Overflow · Nov 1, 2007
ExploitDB: EDB-16616 · May 9, 2010
This CVE's current EPSS score of 0.3798 is in the 96th percentile among its peer group of 8,920 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

secunia.com / advisories/27469
Vendor Advisory
securityreason.com / securityalert/3342
exchange.xforce.ibmcloud.com / vulnerabilities/38220
exploit-db.com / exploits/4594
kb.cert.org / vuls/id/298521
US Government Resource
kb.cert.org / vuls/id/WDON-78K56M
sec-consult.com / 303.html
sec-consult.com / fileadmin/Advisories/20071101-0_sonicwall_multiple.txt
securityfocus.com / archive/1/483097/100/0/threaded
securityfocus.com / bid/26288
Exploit
securitytracker.com / id
vupen.com / english/advisories/2007/3696