CVE-2016-1228

high

Published 2016-07-03 · Modified 2026-05-06

CVSS v3

8.8

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS v2

6.8

VIR risk

8.8

Description

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.

Predictions

Exploit likelihood

92%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: vultures@jpcert.or.jp — http://www.ntt-west.co.jp/kiki/support/flets/hgw4_mi/160627.html

vendor Authored 2026-05-27

Vendor advisory: vultures@jpcert.or.jp — http://web116.jp/ced/support/news/contents/2016/20160627.html

vendor Authored 2026-05-27

Vendor advisory: vultures@jpcert.or.jp — http://jvndb.jvn.jp/jvndb/JVNDB-2016-000106

vendor Authored 2026-05-27

Vendor advisory: vultures@jpcert.or.jp — http://jvn.jp/en/jp/JVN45034304/index.html

References

CWEs

CWE-352

Verify integrity in audit chain (admin only). AS-IS.