What is CVE-2024-36491?

CVE-2024-36491 is a critical-severity vulnerability in Centurysys Futurenet Nxr-1200, classified under OS Command Injection. CVSS score: 9.8/10. Published 2024-07-17.

How severe is CVE-2024-36491?

Critical severity. CVSS v3 base score is 9.8 out of 10.

RCE in Centurysys Futurenet Nxr-1200

CVE-2024-36491

FutureNet NXR series, VXR series and WXR series provided by Century Systems Co., Ltd. allow an administrative user to execute an arbitrary OS command, obtain and/or alter sensitive information, and cause a denial-of-service (DoS) condition.

Vulnerability class: Command Injection (OS Command Injection)

Published 2024-07-17 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.006 (49.2th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 49.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

www.centurysys.co.jp/backnumber/nxr_common/20240716-01.html (Vendor Advisory)
www.centurysys.co.jp/backnumber/nxr_common/20240716-03.html (Vendor Advisory)
jvn.jp/en/vu/JVNVU96424864/ (Third Party Advisory)

Frequently asked questions

What is CVE-2024-36491?: CVE-2024-36491 is a critical-severity vulnerability in Centurysys Futurenet Nxr-1200, classified under OS Command Injection. CVSS score: 9.8/10. Published 2024-07-17.
How severe is CVE-2024-36491?: Critical severity. CVSS v3 base score is 9.8 out of 10.