What is CVE-2023-45741?

CVE-2023-45741 is a medium-severity vulnerability in Buffalo Vr-S1000, classified under OS Command Injection. CVSS score: 6.8/10. Published 2023-12-26.

How severe is CVE-2023-45741?

Medium severity. CVSS v3 base score is 6.8 out of 10.

RCE in Buffalo Vr-S1000

CVE-2023-45741

VR-S1000 firmware Ver. 2.37 and earlier allows an attacker with access to the product's web management page to execute arbitrary OS commands.

Vulnerability class: Command Injection (OS Command Injection)

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

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.003 (23.4th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 23rd percentile — 23.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · 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-78 — OS Command Injection

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-2023-45741?: CVE-2023-45741 is a medium-severity vulnerability in Buffalo Vr-S1000, classified under OS Command Injection. CVSS score: 6.8/10. Published 2023-12-26.
How severe is CVE-2023-45741?: Medium severity. CVSS v3 base score is 6.8 out of 10.