What is CVE-2024-5403?

CVE-2024-5403 is a high-severity vulnerability in Askey 5g Nr Small Cell, classified under OS Command Injection. CVSS score: 7.2/10. Published 2024-05-27.

How severe is CVE-2024-5403?

High severity. CVSS v3 base score is 7.2 out of 10.

RCE in Askey 5g Nr Small Cell

CVE-2024-5403

ASKEY 5G NR Small Cell fails to properly filter user input for certain functionality, allowing remote attackers with administrator privilege to execute arbitrary system commands on the remote server.

Vulnerability class: Command Injection (OS Command Injection)

Published 2024-05-27 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.006 (44.5th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 44.5% 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

Askey 5g Nr Small Cell — versions nsc 2.1 V6

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

www.twcert.org.tw/tw/cp-132-7821-87e38-1.html (third-party-advisory)

Frequently asked questions

What is CVE-2024-5403?: CVE-2024-5403 is a high-severity vulnerability in Askey 5g Nr Small Cell, classified under OS Command Injection. CVSS score: 7.2/10. Published 2024-05-27.
How severe is CVE-2024-5403?: High severity. CVSS v3 base score is 7.2 out of 10.