What is CVE-2018-0556?

CVE-2018-0556 is a high-severity vulnerability in Buffalo Wzr-1750dhp2, classified under OS Command Injection. CVSS score: 8.8/10. Published 2018-04-09.

How severe is CVE-2018-0556?

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

RCE in Buffalo Wzr-1750dhp2

CVE-2018-0556

Buffalo WZR-1750DHP2 Ver.2.30 and earlier allows an attacker to execute arbitrary OS commands via unspecified vectors.

Vulnerability class: Command Injection (OS Command Injection)

Published 2018-04-09 · last modified 2026-06-17.

CVSS v3 metric

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

EPSS exploit prediction

EPSS: 0.007 (51.4th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 51.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: -0.000

Affected products

Buffalo Wzr-1750dhp2
Buffalo Wzr-1750dhp2 Firmware
Buffalo Inc. Wzr-1750dhp2 — versions Ver.2.30 and earlier

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

jvn.jp/en/jp/JVN93397125/index.html (Third Party Advisory, third-party-advisory)
buffalo.jp/support_s/s20180328.html (Vendor Advisory)

Frequently asked questions

What is CVE-2018-0556?: CVE-2018-0556 is a high-severity vulnerability in Buffalo Wzr-1750dhp2, classified under OS Command Injection. CVSS score: 8.8/10. Published 2018-04-09.
How severe is CVE-2018-0556?: High severity. CVSS v3 base score is 8.8 out of 10.