CVE-2023-33009
A buffer overflow vulnerability in the notification function in Zyxel ATP series firmware versions 4.60 through 5.36 Patch 1, USG FLEX series...
Basic Information
- CVE State
- PUBLISHED
- Reserved Date
- May 17, 2023
- Published Date
- May 24, 2023
- Last Updated
- February 04, 2025
- Vendor
- Zyxel
- Product
- ATP series firmware, USG FLEX series firmware, USG FLEX 50(W) firmware, USG20(W)-VPN firmware, VPN series firmware, ZyWALL/USG series firmware
- Description
- A buffer overflow vulnerability in the notification function in Zyxel ATP series firmware versions 4.60 through 5.36 Patch 1, USG FLEX series firmware versions 4.60 through 5.36 Patch 1, USG FLEX 50(W) firmware versions 4.60 through 5.36 Patch 1, USG20(W)-VPN firmware versions 4.60 through 5.36 Patch 1, VPN series firmware versions 4.60 through 5.36 Patch 1, ZyWALL/USG series firmware versions 4.60 through 4.73 Patch 1, could allow an unauthenticated attacker to cause denial-of-service (DoS) conditions and even a remote code execution on an affected device.
CVSS Scores
CVSS v3.1
9.8 - CRITICAL
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC Information
- Exploitation
- active
- Automatable
- Yes
- Technical Impact
- total
Exploit Status
- Exploited in the Wild
- Yes (added 2023-06-05 00:00:00 UTC) Source
Known Exploited Vulnerability Information
| Source | Added Date |
|---|---|
| CISA | 2023-06-05 00:00:00 UTC |