Zyxel USG FLEX 100

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Zyxel USG FLEX 100
Security Grade
   
     C
   
Calculator v1
Zyxel USG FLEX 100
   Brand: Zyxel (Parent: Zyxel)
   Category: Firewall • Model / Gen:  USG FLEX 100
   Release Date: 2020-01-01 • Status: In sale
   Classification Date: 2026-10-26 • Official Website

Security Evaluation

1. Device Security

Criterion Value Proof Comment
Known hardware tampering Rare πŸ”— Proof USG FLEX 100 (2020): enclosure and debug ports assessed under default deployment
Known vulnerabilities Very common πŸ”— Proof USG FLEX 100: public CVE-2022-30525 on record, scored as frequent known vulnerabilities
Prior attacks Rare πŸ”— Proof USG FLEX 100: no public record of large-scale exploitation
Updatability Very common πŸ”— Proof USG FLEX 100 (2020): firmware support assessed from vendor advisories
Category Score Score: 2 / 3

2. System Security

Criterion Value Proof Comment
Authentication with other systems Partial πŸ”— Proof USG FLEX 100: primarily local accounts, directory integration not enabled by default
Communications Encrypted with obselete encryption πŸ”— Proof USG FLEX 100: HTTPS management with dated protocol versions and cipher suites
Storage No encryption πŸ”— Proof USG FLEX 100: volume and configuration encryption available but off by default
Category Score Score: 3 / 3

3. User Authentication

Criterion Value Proof Comment
Account management Basic πŸ”— Proof USG FLEX 100: multiple accounts with roles, single admin by default
Authentication Basic πŸ”— Proof USG FLEX 100: local password plus optional two-factor
Brute-force protection Basic πŸ”— Proof USG FLEX 100: failed-login lockout present, limited strength
Event logging Partial logging πŸ”— Proof USG FLEX 100: login and access events logged, exportable
Passwords Require change after setup πŸ”— Proof USG FLEX 100: password change required at setup, no complexity rules
Category Score Score: 2 / 3

Technical Specifications

Property Details
Operating System & App Zyxel firmware (Companion App: Zyxel app)
Hardware (CPU / GPU) CPU: • GPU:
Memory & Storage Memory: • Storage:
Power, Battery & Charging Battery: • Power: • Charging:
Display & Camera Display: • Camera:
Sound & Connectivity Sound: • Connectivity: Ethernet, Wi-Fi 2.4/5 GHz
Physical (Dimensions & Mass) Dimensions: • Mass:


Zyxel USG FLEX 100 is a firewall in the Firewall category. Evidence: CVE-2022-30525 / vendor documentation. Assessment reflects default deployment; verify the installed firmware before submission.