Buffer overflow in Zyxel Atp Series Firmware
CVE-2023-22917
A buffer overflow vulnerability in the “sdwan_iface_ipc” binary of Zyxel ATP series firmware versions 5.10 through 5.32, USG FLEX series firmware versions 5.00 through 5.32, USG FLEX 50(W) firmware versions 5.10 through 5.32, USG20(W)-VPN…
Vulnerability class: Buffer Overflow
EPSS: 0.003 (56.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Zyxel Atp Series Firmware — versions 5.10 through 5.32
- Zyxel Usg20(w)-vpn Firmware — versions 5.10 through 5.32
- Zyxel Usg Flex 50(w) Firmware — versions 5.10 through 5.32
- Zyxel Usg Flex Series Firmware — versions 5.00 through 5.32
- Zyxel Vpn Series Firmware — versions 5.00 through 5.35
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2023-22917?
- CVE-2023-22917 is a high-severity vulnerability in Zyxel Atp Series Firmware, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.5/10. Published 2023-04-24.
- How severe is CVE-2023-22917?
- High severity. CVSS v3 base score is 7.5 out of 10.