What is CVE-2023-46681?

CVE-2023-46681 is a high-severity vulnerability in Buffalo Vr-S1000, classified under Argument Injection. CVSS score: 7.8/10. Published 2023-12-26.

How severe is CVE-2023-46681?

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

Vulnerability in Buffalo Vr-S1000

CVE-2023-46681

Improper neutralization of argument delimiters in a command ('Argument Injection') vulnerability in VR-S1000 firmware Ver. 2.37 and earlier allows an authenticated attacker who can access to the product's command line interface to execute an arbitrary command.

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

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.003 (14.7th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 15th percentile — 14.7% 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-88 — Argument 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-2023-46681?: CVE-2023-46681 is a high-severity vulnerability in Buffalo Vr-S1000, classified under Argument Injection. CVSS score: 7.8/10. Published 2023-12-26.
How severe is CVE-2023-46681?: High severity. CVSS v3 base score is 7.8 out of 10.