The NVG599 is 2015-era AT&T fiber gateway hardware. Slightly newer than the NVG589 but equally aging. AT&T's update cadence for this generation of hardware is minimal.
- Aging hardware - 2015 vintage, minimal updates: The NVG599 is nearly a decade old. AT&T rarely issues firmware updates for this model. Long-term security posture is poor.
- Known vulnerabilities in device class: The NVG599 uses an Arris/Motorola platform that has had documented vulnerabilities across its product line.
- ISP remote management: AT&T maintains remote access to this gateway.
FCC & Ban Risk
43
/100
D
Supply chain · FCC status · CVEs · Patch support
Security Capabilities
6
/100
F
Zero-Trust · VPN · Segmentation · Monitoring
🏭 Manufacturer
AT&T Inc. (US)
AT&T Services Inc., Dallas, TX · hardware by Motorola/Arris
Manufactured in: China (Motorola/Arris)
🏛️ FCC Status
Authorized (aging)
Not in scope
🛡️ Patch Support
Limited - aging hardware
Whether security vulnerabilities are actively being patched
⚠️ Key Finding
high
Aging hardware - 2015 vintage, minimal updates
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Security capabilities comparison
We benchmark your router against Rio Router across 8 dimensions so you can see exactly what gaps exist - and what a fully-covered setup looks like.
AT&T
your router
Rio Router™
full standard
Zero-Trust Device Admission
Every new device is blocked by default - admin must approve it once, even if it has the right password
Locked
Available
Network Segmentation (VLANs)
Devices on your network are isolated from each other, so a hacked smart TV can't reach your laptop
Locked
Available
Router-Level VPN for All Devices
All traffic - including smart devices that can't run VPN apps - is encrypted before leaving your home
Locked
Available
Domain Allowlisting
Block everything except approved sites; more effective than trying to blacklist billions of harmful URLs
Locked
Available
Granular Password Control
Separate passwords per network zone - changing one doesn't affect others
Locked
Available
Guest Auto-Expiry
Guest devices are automatically removed when they leave; neighbors can't reconnect without re-approval
Locked
Available
Clean Supply Chain
Manufactured outside Chinese legal jurisdiction - not subject to China's National Intelligence Law
Partial
Available
Active Threat Monitoring
DNS filtering, firewall, activity logs, and ongoing security patch support
Locked
Available
We use Rio Router as the benchmark because it’s the only consumer router built to score 8/8 on this framework - it shows you what a fully-covered setup looks like, not just what’s typical.
See Rio →
See all AT&T models: AT&T brand overview →
What you should do
1
Request an AT&T gateway upgrade - current-generation BGW320 hardware is actively patched
2
Change default Wi-Fi password and admin credentials
3
Disable remote management if your AT&T plan permits it
How this was scored · verified March 2026: This rating combines FCC authorization status, manufacturer legal jurisdiction, CVEs from NIST NVD, active patch support status, and CISA advisory mentions. See full methodology →
Reference Data
Other AT&T models
See all AT&T models: AT&T brand overview →
Sources & evidence
All findings trace to publicly verifiable primary sources - US government databases, official FCC filings, and NIST CVE records. No proprietary or anonymous sources are used.
Full data source documentation: Scoring Methodology & Citations →