CVE-2022-27642 - Vulnerability Details

This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of NETGEAR R6700v3 1.0.4.120_10.0.91 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the httpd service. 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-15854.

No CVSS v4.0

Attack Vector Adjacent Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

Attack Vector Adjacent Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00039.

Exploitation none

Automatable no

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

NETGEAR

R6700v3

affected

Version	Status	Constraints
`1.0.4.120_10.0.91`	affected	—

Configuration 1 [-]

AND

cpe:2.3:o:netgear:cax80_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:netgear:cax80:-:*:*:*:*:*:*:*

Configuration 2 [-]

AND

cpe:2.3:o:netgear:lax20_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:netgear:lax20:-:*:*:*:*:*:*:*

Configuration 3 [-]

AND

cpe:2.3:o:netgear:mr60_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:netgear:mr60:-:*:*:*:*:*:*:*

Configuration 4 [-]

AND

cpe:2.3:o:netgear:mr80_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:netgear:mr80:-:*:*:*:*:*:*:*

Configuration 5 [-]

AND

cpe:2.3:o:netgear:ms60_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:netgear:ms60:-:*:*:*:*:*:*:*

Configuration 6 [-]

AND

cpe:2.3:o:netgear:ms80_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:netgear:ms80:-:*:*:*:*:*:*:*

Configuration 7 [-]

AND

cpe:2.3:o:netgear:r6400_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:netgear:r6400:-:*:*:*:*:*:*:*

Configuration 8 [-]

AND

cpe:2.3:o:netgear:r6400_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:netgear:r6400:v2:*:*:*:*:*:*:*

Configuration 9 [-]

AND

cpe:2.3:o:netgear:r6700_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:netgear:r6700:v3:*:*:*:*:*:*:*

Configuration 10 [-]

AND

cpe:2.3:o:netgear:r6900p_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:netgear:r6900p:-:*:*:*:*:*:*:*

Configuration 11 [-]

AND

cpe:2.3:o:netgear:r7000_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:netgear:r7000:-:*:*:*:*:*:*:*

Configuration 12 [-]

AND

cpe:2.3:o:netgear:r7000p_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:netgear:r7000p:-:*:*:*:*:*:*:*

Configuration 13 [-]

AND

cpe:2.3:o:netgear:r7850_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:netgear:r7850:-:*:*:*:*:*:*:*

Configuration 14 [-]

AND

cpe:2.3:o:netgear:r7900p_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:netgear:r7900p:-:*:*:*:*:*:*:*

Configuration 15 [-]

AND

cpe:2.3:o:netgear:r7960p_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:netgear:r7960p:-:*:*:*:*:*:*:*

Configuration 16 [-]

AND

cpe:2.3:o:netgear:r8000_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:netgear:r8000:-:*:*:*:*:*:*:*

Configuration 17 [-]

AND

cpe:2.3:o:netgear:r8000p_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:netgear:r8000p:-:*:*:*:*:*:*:*

Configuration 18 [-]

AND

cpe:2.3:o:netgear:r8500_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:netgear:r8500:-:*:*:*:*:*:*:*

Configuration 19 [-]

AND

cpe:2.3:o:netgear:rax15_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:netgear:rax15:-:*:*:*:*:*:*:*

Configuration 20 [-]

AND

cpe:2.3:o:netgear:rax20_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:netgear:rax20:-:*:*:*:*:*:*:*

Configuration 21 [-]

AND

cpe:2.3:o:netgear:rax200_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:netgear:rax200:-:*:*:*:*:*:*:*

Configuration 22 [-]

AND

cpe:2.3:o:netgear:rax35_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:netgear:rax35:v2:*:*:*:*:*:*:*

Configuration 23 [-]

AND

cpe:2.3:o:netgear:rax38_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:netgear:rax38:v2:*:*:*:*:*:*:*

Configuration 24 [-]

AND

cpe:2.3:o:netgear:rax40_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:netgear:rax40:v2:*:*:*:*:*:*:*

Configuration 25 [-]

AND

cpe:2.3:o:netgear:rax42_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:netgear:rax42:-:*:*:*:*:*:*:*

Configuration 26 [-]

AND

cpe:2.3:o:netgear:rax43_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:netgear:rax43:-:*:*:*:*:*:*:*

Configuration 27 [-]

AND

cpe:2.3:o:netgear:rax45_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:netgear:rax45:-:*:*:*:*:*:*:*

Configuration 28 [-]

AND

cpe:2.3:o:netgear:rax48_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:netgear:rax48:-:*:*:*:*:*:*:*

Configuration 29 [-]

AND

cpe:2.3:o:netgear:rax50_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:netgear:rax50:-:*:*:*:*:*:*:*

Configuration 30 [-]

AND

cpe:2.3:o:netgear:rax50s_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:netgear:rax50s:-:*:*:*:*:*:*:*

Configuration 31 [-]

AND

cpe:2.3:o:netgear:rax75_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:netgear:rax75:-:*:*:*:*:*:*:*

Configuration 32 [-]

AND

cpe:2.3:o:netgear:rax80_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:netgear:rax80:-:*:*:*:*:*:*:*

Configuration 33 [-]

AND

cpe:2.3:o:netgear:rs400_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:netgear:rs400:-:*:*:*:*:*:*:*

Configuration 34 [-]

AND

cpe:2.3:o:netgear:r7100lg_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:netgear:r7100lg:-:*:*:*:*:*:*:*

No data.

Project Subscriptions

Vendors	Products
Netgear Subscribe	Cax80 Subscribe Cax80 Firmware Subscribe Lax20 Subscribe Lax20 Firmware Subscribe Mr60 Subscribe Mr60 Firmware Subscribe Mr80 Subscribe Mr80 Firmware Subscribe Ms60 Subscribe Ms60 Firmware Subscribe Ms80 Subscribe Ms80 Firmware Subscribe R6400 Subscribe R6400 Firmware Subscribe R6700 Subscribe R6700 Firmware Subscribe R6900p Subscribe R6900p Firmware Subscribe R7000 Subscribe R7000 Firmware Subscribe R7000p Subscribe R7000p Firmware Subscribe R7100lg Subscribe R7100lg Firmware Subscribe R7850 Subscribe R7850 Firmware Subscribe R7900p Subscribe R7900p Firmware Subscribe R7960p Subscribe R7960p Firmware Subscribe R8000 Subscribe R8000 Firmware Subscribe R8000p Subscribe R8000p Firmware Subscribe R8500 Subscribe R8500 Firmware Subscribe Rax15 Subscribe Rax15 Firmware Subscribe Rax20 Subscribe Rax200 Subscribe Rax200 Firmware Subscribe Rax20 Firmware Subscribe Rax35 Subscribe Rax35 Firmware Subscribe Rax38 Subscribe Rax38 Firmware Subscribe Rax40 Subscribe Rax40 Firmware Subscribe Rax42 Subscribe Rax42 Firmware Subscribe Rax43 Subscribe Rax43 Firmware Subscribe Rax45 Subscribe Rax45 Firmware Subscribe Rax48 Subscribe Rax48 Firmware Subscribe Rax50 Subscribe Rax50 Firmware Subscribe Rax50s Subscribe Rax50s Firmware Subscribe Rax75 Subscribe Rax75 Firmware Subscribe Rax80 Subscribe Rax80 Firmware Subscribe Rs400 Subscribe Rs400 Firmware Subscribe

Advisories

Source	ID	Title
EUVD	EUVD-2022-32143	This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of NETGEAR R6700v3 1.0.4.120_10.0.91 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the httpd service. 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-15854.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://kb.netgear.com/000064723/Security-Advisory-for-Multiple-Vulnerabilities-on-Multiple-Products-PSV-2021-0327
https://www.zerodayinitiative.com/advisories/ZDI-22-518/

History

Tue, 18 Feb 2025 18:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Projects

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MITRE

Status: PUBLISHED

Assigner: zdi

Published: 2023-03-29T00:00:00.000Z

Updated: 2025-02-18T17:49:51.215Z

Reserved: 2022-03-22T00:00:00.000Z

Link: CVE-2022-27642

Vulnrichment

Updated: 2024-08-03T05:32:59.905Z

NVD

Status : Modified

Published: 2023-03-29T19:15:08.407

Modified: 2024-11-21T06:56:04.887

Link: CVE-2022-27642

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-863

Attack Vector Adjacent Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

Attack Vector Adjacent Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

Exploitation none

Automatable no

Technical Impact partial

Project Subscriptions

Projects

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