Zyxel Multiple Firewalls Buffer Overflow Vulnerability
Critical Listed in CISA KEV
Summary
Zyxel ATP, USG FLEX, USG FLEX 50(W), USG20(W)-VPN, VPN, and ZyWALL/USG firewalls contain a buffer overflow vulnerability in the notification function that could allow an unauthenticated attacker to cause denial-of-service (DoS) conditions and remote code execution on an affected device.
In-depth triage · Auto channel
No in-depth report has been generated yet (DR-003 v2 AI pipeline is under construction).
Affected products
- Zyxel:Multiple Firewalls
Sources
- CISA KEV DATABASE
Original Links
- https://nvd.nist.gov/vuln/detail/CVE-2023-33009 advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog kev
- https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-buffer-overflow-vulnerabilities-of-firewalls; reference
Timeline
- kev_added CISA KEV
- kev_ingest CISA KEV