CVE-2003-1250
Efficient Networks 5861 DSL router, when running firmware 5.3.80 configured to block incoming TCP...
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.
Exploit likelihood
What each source reports
NVD Score used
5.0
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.
- Record
CVE-2003-1250- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2003-1250- Updated
- 2026-11-02
EUVDEUVD-2003-1240 No score
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.
- Record
EUVD-2003-1240- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-v447-3wq3-529v No score
Efficient Networks 5861 DSL router, when running firmware 5.3.80 configured to block incoming TCP...
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.
- Record
GHSA-v447-3wq3-529v- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2003-1250 is a medium vulnerability (CVSS 5.0) in Efficient Networks 5861 Dsl Router, published December 31, 2003. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.81%, the 78th percentile. No source names a fixed version.
References
securityfocus.com/archive/1/308008
archives.neohapsis.com/archives/vulnwatch/2003-q1/0015.html
securityfocus.com/bid/6573
securitytracker.com/id?1005910
iss.net/security_center/static/11032.php
securitytracker.com/id?1005980
securityfocus.com/archive/1/306081
nvd.nist.gov/vuln/detail/CVE-2003-1250
github.com/advisories/GHSA-v447-3wq3-529v