Improper authentication in NETGEAR Nighthawk WiFi6 Router
Priority HIGH 73CWE-287Published · Updated
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-287.
Summary
A support user exists on the device and appears to be a backdoor for Technical Support staff. The default password for this account is “support” and cannot be changed by a user via any normally accessible means.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00488 42nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | NETGEAR Nighthawk WiFi6 Router | NETGEAR Nighthawk WiFi6 Router prior to V1.0.9.90 | — | No fix listed | CNA |
- NETGEAR Nighthawk WiFi6 Router Vendor— Affected NETGEAR Nighthawk WiFi6 Router prior to V1.0.9.90 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2022-47209
- 2026-10-03 Alias added: GHSA-6r47-4376-p42h
References
More NETGEAR Rax30 Firmware vulnerabilities
- TI-2023-26560 Stack-based buffer overflow in NETGEAR RAX30 CVSS 3.1HIGH 8.8
- TI-2023-12452 Buffer overflow in NETGEAR Nighthawk WiFi6 Router CVSS 3.1CRITICAL 9.8
- TI-2025-28644 In Netgear RAX30 V1.0.10.94, a PHP-FPM misconfiguration vulnerability is caused by not… CVSS 3.1CRITICAL 9.8
- TI-2023-12451 Buffer overflow in NETGEAR Nighthawk WiFi6 Router CVSS 3.1CRITICAL 9.8
- TI-2023-01254 Improper authentication in Netgear RAX30 CVSS 3.1CRITICAL 9.8
- TI-2023-28286 Stack-based buffer overflow in NETGEAR RAX30 CVSS 3.1HIGH 8.8
Sources
- CVE-2022-47209 · CVE Program
- CVE-2022-47209 · NVD
- FIRST EPSS
- GHSA-6r47-4376-p42h · GitHub Advisory Database · CC BY 4.0
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