What is CVE-2014-7255?

CVE-2014-7255 is a high-severity vulnerability in Iij Seil B1, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2014-12-05.

How severe is CVE-2014-7255?

High severity. CVSS v3 base score is 7.5 out of 10.

Resource exhaustion in Iij Seil B1

CVE-2014-7255

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.

Vulnerability class: DoS (Denial of Service)

Published 2014-12-05 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.032 (87.5th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 88th percentile — 87.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.032 · newest: 0.032 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

References

jvndb.jvn.jp/ja/contents/2014/JVNDB-2014-000135.html (VDB Entry, Third Party Advisory, third-party-advisory)
www.seil.jp/support/security/a01510.html (Vendor Advisory)
jvn.jp/en/jp/JVN21907573/index.html (Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2014-7255?: CVE-2014-7255 is a high-severity vulnerability in Iij Seil B1, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2014-12-05.
How severe is CVE-2014-7255?: High severity. CVSS v3 base score is 7.5 out of 10.