CVE-2019-17137 - CVE House
Back to Database
Status published Critical CVE-2019-17137

This vulnerability allows network-adjacent attackers to bypass authentication on affected...

Vulnerability Description

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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2019-17137

Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Michael Flanders of Trend Micro Zero Day Initiative

References

More from NETGEAR

View All →
CVE-2025-25246
NETGEAR XR1000 before 1.0.0.74, XR1000v2 before 1.1.0.22, and XR500 before...
High 8.1
CVE-2025-12946
Improper input validation in NETGEAR Nighthawk routers
Medium 4.4
CVE-2025-12945
Improper input validation in NETGEAR Nighthawk router R7000P
Low 1.1
CVE-2025-12944
Improper input validation in NETGEAR DGN2200v4
Medium 6.8
CVE-2025-12943
Improper certificate validation in firmware update logic in NETGEAR RAX30 and RAXE300
Medium 5.2

Affected Vendor

Affected Software

AC1200
Vulnerable Versions:
R6220 Firmware version 1.1.0.86

Timeline

Official Publish: February 10th, 2020
Last Modified: August 5th, 2024
Added to House: July 20th, 2026

CVSS Vectors

V3: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H

Weaknesses (CWE)

CWE-626

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.