What is CVE-2016-1134?

CVE-2016-1134 is a high-severity vulnerability in Buffalotech Bhr-4grv2, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.8/10. Published 2016-01-22.

How severe is CVE-2016-1134?

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

CSRF in Buffalotech Bhr-4grv2

CVE-2016-1134

Cross-site request forgery (CSRF) vulnerability on BUFFALO BHR-4GRV2 devices with firmware 1.04 and earlier, WEX-300 devices with firmware 1.90 and earlier, WHR-1166DHP devices with firmware 1.90 and earlier, WHR-300HP2 devices with firmware 1.90 and earlier, WHR-600D devices with firmware 1.90 and earlier, WMR-300 devices with firmware 1.90 and earlier, WMR-433 devices with firmware 1.01 and earlier, and WSR-1166DHP devices with firmware 1.01 and earlier allows remote attackers to hijack the authentication of arbitrary users.

Vulnerability class: CSRF (Cross-Site Request Forgery)

Published 2016-01-22 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.005 (43.3th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 43rd percentile — 43.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Weakness classification (CWE)

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

References

jvndb.jvn.jp/jvndb/JVNDB-2016-000005 (Vendor Advisory, third-party-advisory)
jvn.jp/en/jp/JVN09268287/index.html (Vendor Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2016-1134?: CVE-2016-1134 is a high-severity vulnerability in Buffalotech Bhr-4grv2, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.8/10. Published 2016-01-22.
How severe is CVE-2016-1134?: High severity. CVSS v3 base score is 8.8 out of 10.