CVE-2003-1250 json
Efficient Networks 5861 DSL router, when running firmware 5.3.80 configured to block incoming TCP SYN, packets allows remote attackers to c…
published 2003-12-31 22 y ago modified 2026-06-16 4 mo ago also EUVD-2003-1240
- cvss
- 5.0
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.8%
- EPSS 1.8% chance of exploitation in 30 days, percentile 78%
- public exploits
- 0
- none known
Summary
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 prediction
1.81% chance of exploitation in the next 30 days, higher than 78% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
References
-
archives.neohapsis.com
/archives/vulnwatch/2003-q1/0015.html
mailing-list, vendor-advisory
-
securityfocus.com
/archive/1/306081
mailing-list, vendor-advisory
-
securityfocus.com
/archive/1/308008
mailing-list
-
securityfocus.com
/bid/6573
vdb-entry
-
securitytracker.com
/id?1005910
vdb-entry
-
iss.net
/security_center/static/11032.php
vdb-entry
-
securitytracker.com
/id?1005980
vdb-entry
Sources
- CVE List CVE-2003-1250
- NVD CVE-2003-1250
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.