What is CVE-2018-0522?

CVE-2018-0522 is a high-severity vulnerability in Buffalo Wxr-1900dhp2, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2018-03-09.

How severe is CVE-2018-0522?

High severity. CVSS v3 base score is 7.8 out of 10.

Buffer overflow in Buffalo Wxr-1900dhp2

CVE-2018-0522

Buffer overflow in Buffalo WXR-1900DHP2 firmware Ver.2.48 and earlier allows an attacker to execute arbitrary code via a specially crafted file.

Vulnerability class: Buffer Overflow

Published 2018-03-09 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.013 (69.7th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 70th percentile — 69.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000

Affected products

Buffalo Wxr-1900dhp2
Buffalo Wxr-1900dhp2 Firmware
Buffalo Inc. Wxr-1900dhp2 — versions firmware Ver.2.48 and earlier

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

References

buffalo.jp/support_s/s20180223.html (Vendor Advisory)
jvn.jp/en/jp/JVN97144273/index.html (Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2018-0522?: CVE-2018-0522 is a high-severity vulnerability in Buffalo Wxr-1900dhp2, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2018-03-09.
How severe is CVE-2018-0522?: High severity. CVSS v3 base score is 7.8 out of 10.