No exploitation reported

CVE-2014-7255

No exploitation reported by the sources we read.

Published2014-12-05
WeaknessCWE-400

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

Internet Initiative Japan Inc. SEIL Series routers SEIL/X1 2.50 through 4.62, SEIL/X2 2.50 through 4.62, SEIL/B1 2.50 through 4.62, and SEIL/x86 Fuji 1.70 through 3.22 allow remote attackers to cause a denial of service (CPU and traffic consumption) via a large number of NTP requests within a short time, which causes unnecessary NTP responses to be sent.

Timeline

dates in UTC

2014-12-0517:59CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2014-7255?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2014-7255?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Iij seil b1 firmwareversion to verify

Branch	Affected	Fixed in	Source
4.62	≥ 2.50, ≤ 4.62	no fix published	NVD

Iij seil x1 firmwareversion to verify

Branch	Affected	Fixed in	Source
4.62	≥ 2.50, ≤ 4.62	no fix published	NVD

Iij seil x2 firmwareversion to verify

Branch	Affected	Fixed in	Source
4.62	≥ 2.50, ≤ 4.62	no fix published	NVD

1 more product in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Advisories and patches

www.seil.jpVendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVSS 3.17.5read 2026-10-23
NVDCVSS 2.05read 2026-10-23
NVDweakness (CWE)CWE-400read 2026-10-23
FIRST EPSSEPSS score3.2 %2026-10-23

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published: 2014-12-05
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2014-7255?

Is CVE-2014-7255 actively exploited?

Active exploitation of CVE-2014-7255 has not been confirmed. Its EPSS score was 3.2% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2014-7255?

CVE-2014-7255 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

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