CVE security advisories and vulnerability history for usg flex 500 by zyxel.
Last updated
zyxel usg flex 500 has 54 published CVE records since 2020, of which 6 are in CISA's Known Exploited Vulnerabilities catalog and 10 have a known public exploit. The average CVSS base score across scored CVEs is 7.3.
This page aggregates every publicly disclosed vulnerability (CVE) affecting zyxel usg flex 500, with a severity breakdown, the affected and patched versions, the most common weakness types, and the full CVE list.
How the CVSS severity of zyxel usg flex 500's CVEs breaks down, plus how many are exploited in the wild or have public exploit code.
1 additional CVE has no CVSS severity score.
In CISA’s Known Exploited Vulnerabilities catalog
6
6 of zyxel usg flex 500's CVEs are confirmed exploited in the wild.
Public exploits
10
10 of zyxel usg flex 500's CVEs have a known public exploit available.
Browse every zyxel usg flex 500 version named in a CVE, then pick one to see only the CVEs that affect it.
No specific affected versions are recorded for zyxel usg flex 500; the CVEs below apply to the product without a version pin.
54 CVEs
Added to CISA KEV 2024-12-03
Showing 30 of 54
The CWE weakness categories most often found in zyxel usg flex 500 CVEs. Follow any weakness for its full explanation.
How many zyxel usg flex 500 CVEs were published each year.
Browse vulnerabilities for other products by zyxel.
Common questions about zyxel usg flex 500 vulnerabilities.
zyxel usg flex 500 has 54 published CVE records since 2020.
Yes — 6 of zyxel usg flex 500's CVEs are listed in CISA's Known Exploited Vulnerabilities catalog, confirmed exploited in the wild and carrying a CISA remediation deadline.
Yes — 10 of zyxel usg flex 500's CVEs have a known public exploit.
zyxel usg flex 500's CVEs most often map to these CWE weakness types: CWE-78 (Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')), CWE-120 (Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')), CWE-269 (Improper Privilege Management), CWE-79 (Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')).
zyxel usg flex 500 has 8 critical and 25 high-severity CVEs.
The average CVSS base score across zyxel usg flex 500's scored CVEs is 7.3.
Vulnerability data is sourced from the CVE Program; severity, KEV, and exploit signals are aggregated by RadicalNotion.AI.
Monitor new zyxel usg flex 500 vulnerabilities as they are disclosed, with AI-written analysis and remediation guidance.
