Buffer overflow in Moxa Oncell G3150a-Lte Series
CVE-2024-4640
OnCell G3470A-LTE Series firmware versions v1.7.7 and prior have been identified as vulnerable due to missing bounds checking on buffer operations. An attacker could write past the boundaries of allocated buffer regions in memory, causing a program crash.
Vulnerability class: Buffer Overflow
Published · last modified .
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:N/I:L/A:H.
EPSS exploit prediction
EPSS: 0.004 (30.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 31st percentile — 30.8% 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)
Public proof-of-concept exploits
References
- www.moxa.com/en/support/product-support/security-advisory/mpsa-242550-oncell-g3… (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2024-4640?
- CVE-2024-4640 is a high-severity vulnerability in Moxa Oncell G3150a-Lte Series, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.1/10. Published 2024-06-25.
- How severe is CVE-2024-4640?
- High severity. CVSS v3 base score is 7.1 out of 10.
- Is CVE-2024-4640 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.