Zyxel Multiple Firewalls OS Command Injection Vulnerability
Critical Listed in CISA KEV
Summary
Zyxel ATP, USG FLEX, VPN, and ZyWALL/USG firewalls allow for improper error message handling which could allow an unauthenticated attacker to execute OS commands remotely by sending crafted packets to 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-2023-28771 advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog kev
- https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-remote-command-injection-vulnerability-of-firewalls; reference
Timeline
- kev_added CISA KEV
- kev_ingest CISA KEV