What is CVE-2023-46711?

CVE-2023-46711 is a medium-severity vulnerability in Buffalo Vr-S1000, classified under Use of Hard-coded Credentials. CVSS score: 4.6/10. Published 2023-12-26.

How severe is CVE-2023-46711?

Medium severity. CVSS v3 base score is 4.6 out of 10.

Vulnerability in Buffalo Vr-S1000

CVE-2023-46711

VR-S1000 firmware Ver. 2.37 and earlier uses a hard-coded cryptographic key which may allow an attacker to analyze the password of a specific product user.

Published 2023-12-26 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.6 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.002 (12.6th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 13th percentile — 12.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Buffalo Vr-S1000
Buffalo Vr-S1000 Firmware
Buffalo Inc. Vr-S1000 — versions firmware Ver. 2.37 and earlier

Weakness classification (CWE)

CWE-798 — Use of Hard-coded Credentials

References

www.buffalo.jp/news/detail/20231225-01.html (Patch, Vendor Advisory)
jvn.jp/en/jp/JVN23771490/ (Third Party Advisory)

Frequently asked questions

What is CVE-2023-46711?: CVE-2023-46711 is a medium-severity vulnerability in Buffalo Vr-S1000, classified under Use of Hard-coded Credentials. CVSS score: 4.6/10. Published 2023-12-26.
How severe is CVE-2023-46711?: Medium severity. CVSS v3 base score is 4.6 out of 10.