CVE-2007-5603

CVE-2007-5603 is a critical-severity vulnerability in Sonicwall Ssl Vpn with a CVSS 2.0 base score of 9.3. Its EPSS exploit-prediction score of 38% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-119.

Key facts

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.

Frequently asked questions

What is CVE-2007-5603?
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.
How severe is CVE-2007-5603?
CVE-2007-5603 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2007-5603 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 38% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-5603?
CVE-2007-5603 affects Sonicwall Ssl Vpn. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2007-5603?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2007-5603 published?
CVE-2007-5603 was published on 2007-11-05 and last updated on 2026-06-16.

References

Affected products (1)

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