740
VMScore

CVE-2020-27866

Published: 12/02/2021 Updated: 26/03/2021
CVSS v2 Base Score: 8.3 | Impact Score: 10 | Exploitability Score: 6.5
CVSS v3 Base Score: 8.8 | Impact Score: 5.9 | Exploitability Score: 2.8
VMScore: 740
Vector: AV:A/AC:L/Au:N/C:C/I:C/A:C

Vulnerability Summary

This vulnerability allows network-adjacent malicious users to bypass authentication on affected installations of NETGEAR R6020, R6080, R6120, R6220, R6260, R6700v2, R6800, R6900v2, R7450, JNR3210, WNR2020, Nighthawk AC2100, and Nighthawk AC2400 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the mini_httpd service, which listens on TCP port 80 by default. The issue results from incorrect string matching logic when accessing protected pages. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of root. Was ZDI-CAN-11355.

Vulnerability Trend

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netgear ac2100_firmware

netgear ac2400_firmware

netgear ac2600_firmware

netgear r6700_firmware

netgear r6800_firmware

netgear r6900_firmware

netgear r7200_firmware

netgear r7350_firmware

netgear r7400_firmware

netgear r7450_firmware

netgear r6220_firmware

netgear r6230_firmware

netgear r6260_firmware

netgear r6330_firmware

netgear r6350_firmware

netgear r6850_firmware

netgear r6120_firmware

netgear r6020_firmware

netgear r6080_firmware