Is CVE-2007-5603 in the CISA KEV catalog?

No. CVE-2007-5603 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2007-5603?

CVE-2007-5603 has a CVSS v2 base score of 9.3 (HIGH).

What is the EPSS score for CVE-2007-5603?

CVE-2007-5603 has an EPSS score of 37.98% (98th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2007-5603

HIGHEPSS 98th pctl

9.3

CVSS v2

NVD

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.

CWE-119Buffer Overflow

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

37.98%probability of exploitation in 30 days

98thpercentile

Very high risk: more likely to be exploited than 98% of all known CVEs.

References

http://secunia.com/advisories/27469
http://securityreason.com/securityalert/3342
http://www.kb.cert.org/vuls/id/298521
http://www.kb.cert.org/vuls/id/WDON-78K56M
http://www.sec-consult.com/303.html
http://www.sec-consult.com/fileadmin/Advisories/20071101-0_sonicwall_multiple.txt
http://www.securityfocus.com/archive/1/483097/100/0/threaded
http://www.securityfocus.com/bid/26288
http://www.securitytracker.com/id?1018891
http://www.vupen.com/english/advisories/2007/3696
https://exchange.xforce.ibmcloud.com/vulnerabilities/38220
https://www.exploit-db.com/exploits/4594

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-23.