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CVE-2003-1250
Efficient Networks 5861 DSL router, when running firmware 5.3.80 configured to block incoming TCP SYN, packets allows remote attackers to…
Medium5.0EPSS 1.8%
- Published
- Updated
- Reserved
- Assigned by
- mitre
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
- EPSS (exploitation in 30 days)
- 1.8% · top 21% of all CVEs (3 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.
Weakness
- n/a
Affected products
n/a
- affected n/a
References (7)
- 20030123 5861 IP Filtering issues (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- 20030110 Efficient Networks 5861 DSL Router (opens in a new tab)mailing-listx_refsource_VULNWATCHx_transferred
- 6573 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 1005910 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- efficient-dsl-portscan-dos(11032) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- 1005980 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- 20030110 Efficient Networks 5861 DSL Router (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .