Unrated severityNVD Advisory· Published Feb 11, 2021· Updated Aug 4, 2024
CVE-2020-27866
CVE-2020-27866
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.
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Affected products
2- NETGEAR/Multiple Routersv5Range: firmware version 1.2.0.62_1.0.1
Patches
Vulnerability mechanics
References
2- kb.netgear.com/000062641/Security-Advisory-for-Password-Recovery-Vulnerabilities-on-Some-Routersmitrex_refsource_MISC
- www.zerodayinitiative.com/advisories/ZDI-20-1451/mitrex_refsource_MISC
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