What’s Vulnerable › Vulnerabilities

CVE-2003-1250

• Severity: medium (CVSS 5.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2003-12-31 · updated 2026-06-16

Description

Efficient Networks 5861 DSL router, when running firmware 5.3.80 configured to block incoming TCP SYN, packets allows remote attackers to cause a denial of service (crash) via a flood of TCP SYN packets to the WAN interface using a port scanner such as nmap.

Affected products

• Efficient Networks 5861 Dsl Router: 5.3.80_firmware

References

• http://archives.neohapsis.com/archives/vulnwatch/2003-q1/0015.html
• http://securitytracker.com/id?1005980
• http://www.iss.net/security_center/static/11032.php
• http://www.securityfocus.com/archive/1/306081
• http://www.securityfocus.com/archive/1/308008
• http://www.securityfocus.com/bid/6573
• http://www.securitytracker.com/id?1005910
• http://archives.neohapsis.com/archives/vulnwatch/2003-q1/0015.html
• http://securitytracker.com/id?1005980
• http://www.iss.net/security_center/static/11032.php
• http://www.securityfocus.com/archive/1/306081
• http://www.securityfocus.com/archive/1/308008

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