8.8
CVSSv3

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