CVE-2020-27866

State
Published
Severity
8.8 High
Published
Feb 11, 2021
Updated
Aug 4, 2024
Reserved
Oct 27, 2020

Read the record on cve.org

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.

Scores

CVSSScoreVectorSource
3.08.8 HighCVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hzdi

Weaknesses

  • CWE-288 Authentication Bypass Using an Alternate Path or Channel

Affected Products

ProductVersions
Multiple RoutersNETGEAR
  • firmware version 1.2.0.62_1.0.1Affected

References

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