What is CVE-2016-1228?

CVE-2016-1228 is a high-severity vulnerability in Ntt-East Pr-400mi, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.8/10. Published 2016-07-03.

How severe is CVE-2016-1228?

High severity. CVSS v3 base score is 8.8 out of 10.

CSRF in Ntt-East Pr-400mi

CVE-2016-1228

Cross-site request forgery (CSRF) vulnerability on NTT EAST Hikari Denwa routers with firmware PR-400MI, RT-400MI, and RV-440MI 07.00.1006 and earlier and NTT WEST Hikari Denwa routers with firmware PR-400MI, RT-400MI, and RV-440MI 07.00.1005 and earlier allows remote attackers to hijack the authentication of arbitrary users.

Vulnerability class: CSRF (Cross-Site Request Forgery)

Published 2016-07-03 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.012 (67.3th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 67th percentile — 67.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-352 — Cross-Site Request Forgery (CSRF)

References

www.ntt-west.co.jp/kiki/support/flets/hgw4_mi/160627.html (Vendor Advisory)
web116.jp/ced/support/news/contents/2016/20160627.html (Vendor Advisory)
jvn.jp/en/jp/JVN45034304/index.html (Vendor Advisory, third-party-advisory)
jvndb.jvn.jp/jvndb/JVNDB-2016-000106 (VDB Entry, Third Party Advisory, Vendor Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2016-1228?: CVE-2016-1228 is a high-severity vulnerability in Ntt-East Pr-400mi, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.8/10. Published 2016-07-03.
How severe is CVE-2016-1228?: High severity. CVSS v3 base score is 8.8 out of 10.