What is CVE-2024-4638?

CVE-2024-4638 is a high-severity vulnerability in Moxa Oncell G3470a-Lte-Eu, classified under Command Injection. CVSS score: 7.1/10. Published 2024-06-25.

How severe is CVE-2024-4638?

High severity. CVSS v3 base score is 7.1 out of 10.

RCE in Moxa Oncell G3470a-Lte-Eu

CVE-2024-4638

OnCell G3470A-LTE Series firmware versions v1.7.7 and prior have been identified as vulnerable due to a lack of neutralized inputs in the web key upload function. An attacker could modify the intended commands sent to target functions, which could cause malicious users to execute unauthorized commands.

Vulnerability class: Command Injection (OS Command Injection)

Published 2024-06-25 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N.

EPSS exploit prediction

EPSS: 0.004 (35.8th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 36th percentile — 35.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-77 — Command Injection

References

www.moxa.com/en/support/product-support/security-advisory/mpsa-242550-oncell-g3… (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2024-4638?: CVE-2024-4638 is a high-severity vulnerability in Moxa Oncell G3470a-Lte-Eu, classified under Command Injection. CVSS score: 7.1/10. Published 2024-06-25.
How severe is CVE-2024-4638?: High severity. CVSS v3 base score is 7.1 out of 10.