CVE-2020-27866 Scanner
CVE-2020-27866 scanner - Authentication Bypass vulnerability in Multiple NETGEAR Routers
Used 2.8k times · 5.9k assets checked · domain, ipv4, subdomain
CVE
CVE-2020-27866
8.8
CVSShigh
Exploitable from an adjacent network · no authentication required.
Description
This vulnerability allows network-adjacent attackers 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.
Attack Vector
Adjacent
Privileges Req.
None
User Interaction
None
multiple routers
Updated Sep 18, 2026View on NVD →
S4E scanner
CVE history: multiple routers
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