This vulnerability allows network-adjacent attackers to bypass authentication on affected…
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · Low · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of NETGEAR AC1200 R6220 Firmware version 1.1.0.86 Smart WiFi Router. Authentication is not required to exploit this vulnerability. The specific flaw exists within the processing of path strings. By inserting a null byte into the path, the user can skip most authentication checks. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-8616.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| NETGEAR | AC1200 | R6220 Firmware version 1.1.0.86 | — | No fix listed | CNA |
- AC1200 VendorNETGEAR Affected R6220 Firmware version 1.1.0.86 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2019-17137
- 2026-10-03 Alias added: GHSA-fhq7-6cpq-vcv8
References
More NETGEAR Ac1200 R6220 Firmware vulnerabilities
- TI-2022-23294 The web interface of the 'Nighthawk R6220 AC1200 Smart Wi-Fi Router' is vulnerable to a… CVSS 3.1MEDIUM 6.1
Sources
- CVE-2019-17137 · CVE Program
- CVE-2019-17137 · NVD
- FIRST EPSS
- GHSA-fhq7-6cpq-vcv8 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences