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[email protected]NVD:CVE-2022-27646

HistoryMar 29, 2023 - 7:15 p.m.

CVE-2022-27646

2023-03-2919:15:08

CWE-121

[email protected]

web.nvd.nist.gov

netgear

r6700v3

buffer overflow

stack-based

authentication bypass

zdi-can-15879

8.8 High

CVSS3

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.001 Low

EPSS

Percentile

29.8%

JSON

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR R6700v3 1.0.4.120_10.0.91 routers. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the circled daemon. A crafted circleinfo.txt file can trigger an overflow of a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-15879.

Affected configurations

NVD

Node

netgearr6400_firmwareRange<1.0.4.126

AND

netgearr6400Matchv2

Node

netgearr6700_firmwareRange<1.0.4.126

AND

netgearr6700Matchv3

Node

netgearr6900p_firmwareRange<1.3.3.148

AND

netgearr6900pMatch-

Node

netgearr7000_firmwareRange<1.0.11.134

AND

netgearr7000Match-

Node

netgearr7000p_firmwareRange<1.3.3.148

AND

netgearr7000pMatch-

Node

netgearr7850_firmwareRange<1.0.5.84

AND

netgearr7850Match-

Node

netgearr7960p_firmwareRange<1.4.3.88

AND

netgearr7960pMatch-

Node

netgearr8000_firmwareRange<1.0.4.84

AND

netgearr8000Match-

Node

netgearr8000p_firmwareRange<1.4.3.88

AND

netgearr8000pMatch-

Node

netgearrax200_firmwareRange<1.0.6.138

AND

netgearrax200Match-

Node

netgearrax75_firmwareRange<1.0.6.138

AND

netgearrax75Match-

Node

netgearrax80_firmwareRange<1.0.6.138

AND

netgearrax80Match-

Node

netgearrs400_firmwareRange<1.5.1.86

AND

netgearrs400Match-

Node

netgearcbr40_firmwareRange<2.5.0.28

AND

netgearcbr40Match-

Node

netgearlbr1020_firmwareRange<2.7.4.2

AND

netgearlbr1020Match-

Node

netgearlbr20_firmwareRange<2.7.4.2

AND

netgearlbr20Match-

Node

netgearrbr10_firmwareRange<2.7.4.24

AND

netgearrbr10Match-

Node

netgearrbr20_firmwareRange<2.7.4.24

AND

netgearrbr20Match-

Node

netgearrbr40_firmwareRange<2.7.4.24

AND

netgearrbr40Match-

Node

netgearrbr50_firmwareRange<2.7.4.24

AND

netgearrbr50Match-

Node

netgearrbs10_firmwareRange<2.7.4.24

AND

netgearrbs10Match-

Node

netgearrbs20_firmwareRange<2.7.4.24

AND

netgearrbs20Match-

Node

netgearrbs40_firmwareRange<2.7.4.24

AND

netgearrbs40Match-

Node

netgearrbs50_firmwareRange<2.7.4.24

AND

netgearrbs50Match-

References

kb.netgear.com/000064721/Security-Advisory-for-Multiple-Vulnerabilities-on-Multiple-Products-PSV-2021-0324

www.zerodayinitiative.com/advisories/ZDI-22-523/

8.8 High

CVSS3

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.001 Low

EPSS

Percentile

29.8%

JSON

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