Buffer overflow in Zyxel Nbg-418n
CVE-2023-22924
A buffer overflow vulnerability in the Zyxel NBG-418N v2 firmware versions prior to V1.00(AARP.14)C0 could allow a remote authenticated attacker with administrator privileges to cause denial-of-service (DoS) conditions by executing crafted CLI commands on a vulnerable device.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.008 (54.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 54.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000
Affected products
- Zyxel Nbg-418n — versions v2
- Zyxel Nbg-418n Firmware
- Zyxel Nbg-418n V2 Firmware — versions < V1.00(AARP.14)C0
Weakness classification (CWE)
References
- www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for… (Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2023-22924?
- CVE-2023-22924 is a medium-severity vulnerability in Zyxel Nbg-418n, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 4.9/10. Published 2023-05-01.
- How severe is CVE-2023-22924?
- Medium severity. CVSS v3 base score is 4.9 out of 10.