CVE-2020-27872

Description

This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of NETGEAR R7450 1.2.0.62_1.0.1 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 improper state tracking in the password recovery process. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of root. Was ZDI-CAN-11365.

Related CPE's

onetgearac2100_firmware********

hnetgearac2100-*******

onetgearac2400_firmware********

hnetgearac2400-*******

onetgearac2600_firmware********

hnetgearac2600-*******

onetgearr6700_firmware********

hnetgearr6700v2*******

onetgearr6800_firmware********

hnetgearr6800-*******

References

N/A

Third Party AdvisoryVDB Entry

N/A

Vendor Advisory

CvssV3 impact

BaseSeverity

HIGH

ConfidentialityImpact

HIGH

AttackComplexity

LOW

Scope

UNCHANGED

AttackVector

ADJACENT_NETWORK

AvailabilityImpact

HIGH

IntegrityImpact

HIGH

PrivilegesRequired

NONE

BaseScore

8.8

VectorString

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Version

3.1

UserInteraction

NONE

CvssV2 impact

AccessComplexity

LOW

ConfidentialityImpact

PARTIAL

AvailabilityImpact

PARTIAL

IntegrityImpact

PARTIAL

BaseScore

5.800000190734863

VectorString

AV:A/AC:L/Au:N/C:P/I:P/A:P

Version

2.0

AccessVector

ADJACENT_NETWORK

Authentication

NONE

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