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ID

VAR-202112-2197


CVE

CVE-2021-45524


TITLE

NETGEAR R8000  Classic buffer overflow vulnerability in device

Trust: 0.8

sources: JVNDB: JVNDB-2021-016962

DESCRIPTION

NETGEAR R8000 devices before 1.0.4.62 are affected by a buffer overflow by an authenticated user. NETGEAR R8000 A classic buffer overflow vulnerability exists on the device.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. NETGEAR R8000 is a wireless router from Netgear. Attackers can use this vulnerability to perform buffer overflow attacks

Trust: 2.25

sources: NVD: CVE-2021-45524 // JVNDB: JVNDB-2021-016962 // CNVD: CNVD-2022-06691 // VULMON: CVE-2021-45524

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2022-06691

AFFECTED PRODUCTS

vendor:netgearmodel:r8000scope:ltversion:1.0.4.62

Trust: 1.0

vendor:ネットギアmodel:r8000scope:eqversion:r8000 firmware 1.0.4.62

Trust: 0.8

vendor:ネットギアmodel:r8000scope:eqversion: -

Trust: 0.8

vendor:netgearmodel:r8000scope: - version: -

Trust: 0.6

sources: CNVD: CNVD-2022-06691 // JVNDB: JVNDB-2021-016962 // NVD: CVE-2021-45524

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2021-45524
value: CRITICAL

Trust: 1.0

cve@mitre.org: CVE-2021-45524
value: HIGH

Trust: 1.0

NVD: CVE-2021-45524
value: CRITICAL

Trust: 0.8

CNVD: CNVD-2022-06691
value: HIGH

Trust: 0.6

CNNVD: CNNVD-202112-2338
value: CRITICAL

Trust: 0.6

VULMON: CVE-2021-45524
value: HIGH

Trust: 0.1

nvd@nist.gov: CVE-2021-45524
severity: HIGH
baseScore: 9.0
vectorString: AV:N/AC:L/AU:S/C:C/I:C/A:C
accessVector: NETWORK
accessComplexity: LOW
authentication: SINGLE
confidentialityImpact: COMPLETE
integrityImpact: COMPLETE
availabilityImpact: COMPLETE
exploitabilityScore: 8.0
impactScore: 10.0
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.9

CNVD: CNVD-2022-06691
severity: HIGH
baseScore: 9.0
vectorString: AV:N/AC:L/AU:S/C:C/I:C/A:C
accessVector: NETWORK
accessComplexity: LOW
authentication: SINGLE
confidentialityImpact: COMPLETE
integrityImpact: COMPLETE
availabilityImpact: COMPLETE
exploitabilityScore: 8.0
impactScore: 10.0
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.6

nvd@nist.gov: CVE-2021-45524
baseSeverity: CRITICAL
baseScore: 9.1
vectorString: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: HIGH
userInteraction: NONE
scope: CHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 2.3
impactScore: 6.0
version: 3.1

Trust: 1.0

cve@mitre.org: CVE-2021-45524
baseSeverity: HIGH
baseScore: 7.6
vectorString: CVSS:3.1/AV:A/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
attackVector: ADJACENT
attackComplexity: HIGH
privilegesRequired: HIGH
userInteraction: NONE
scope: CHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 1.0
impactScore: 6.0
version: 3.1

Trust: 1.0

NVD: CVE-2021-45524
baseSeverity: CRITICAL
baseScore: 9.1
vectorString: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: HIGH
userInteraction: NONE
scope: CHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: NONE
impactScore: NONE
version: 3.0

Trust: 0.8

sources: CNVD: CNVD-2022-06691 // VULMON: CVE-2021-45524 // JVNDB: JVNDB-2021-016962 // CNNVD: CNNVD-202112-2338 // NVD: CVE-2021-45524 // NVD: CVE-2021-45524

PROBLEMTYPE DATA

problemtype:CWE-120

Trust: 1.0

problemtype:Classic buffer overflow (CWE-120) [NVD evaluation ]

Trust: 0.8

sources: JVNDB: JVNDB-2021-016962 // NVD: CVE-2021-45524

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202112-2338

TYPE

other

Trust: 0.6

sources: CNNVD: CNNVD-202112-2338

PATCH

title:Security Advisory for Post-Authentication Buffer Overflow on R8000, PSV-2020-0315url:https://kb.netgear.com/000064123/Security-Advisory-for-Post-Authentication-Buffer-Overflow-on-R8000-PSV-2020-0315

Trust: 0.8

title:Patch for NETGEAR R8000 Buffer Overflow Vulnerability (CNVD-2022-06691)url:https://www.cnvd.org.cn/patchInfo/show/316161

Trust: 0.6

title:Netgear NETGEAR R8000 Security vulnerabilitiesurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=177089

Trust: 0.6

sources: CNVD: CNVD-2022-06691 // JVNDB: JVNDB-2021-016962 // CNNVD: CNNVD-202112-2338

EXTERNAL IDS

db:NVDid:CVE-2021-45524

Trust: 3.9

db:JVNDBid:JVNDB-2021-016962

Trust: 0.8

db:CNVDid:CNVD-2022-06691

Trust: 0.6

db:CNNVDid:CNNVD-202112-2338

Trust: 0.6

db:VULMONid:CVE-2021-45524

Trust: 0.1

sources: CNVD: CNVD-2022-06691 // VULMON: CVE-2021-45524 // JVNDB: JVNDB-2021-016962 // CNNVD: CNNVD-202112-2338 // NVD: CVE-2021-45524

REFERENCES

url:https://nvd.nist.gov/vuln/detail/cve-2021-45524

Trust: 2.0

url:https://kb.netgear.com/000064123/security-advisory-for-post-authentication-buffer-overflow-on-r8000-psv-2020-0315

Trust: 1.7

url:https://cwe.mitre.org/data/definitions/120.html

Trust: 0.1

url:https://nvd.nist.gov

Trust: 0.1

sources: CNVD: CNVD-2022-06691 // VULMON: CVE-2021-45524 // JVNDB: JVNDB-2021-016962 // CNNVD: CNNVD-202112-2338 // NVD: CVE-2021-45524

SOURCES

db:CNVDid:CNVD-2022-06691
db:VULMONid:CVE-2021-45524
db:JVNDBid:JVNDB-2021-016962
db:CNNVDid:CNNVD-202112-2338
db:NVDid:CVE-2021-45524

LAST UPDATE DATE

2024-11-23T22:47:32.832000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2022-06691date:2022-01-25T00:00:00
db:VULMONid:CVE-2021-45524date:2022-01-04T00:00:00
db:JVNDBid:JVNDB-2021-016962date:2022-12-27T05:18:00
db:CNNVDid:CNNVD-202112-2338date:2022-01-10T00:00:00
db:NVDid:CVE-2021-45524date:2024-11-21T06:32:25.123

SOURCES RELEASE DATE

db:CNVDid:CNVD-2022-06691date:2022-01-25T00:00:00
db:VULMONid:CVE-2021-45524date:2021-12-26T00:00:00
db:JVNDBid:JVNDB-2021-016962date:2022-12-27T00:00:00
db:CNNVDid:CNNVD-202112-2338date:2021-12-26T00:00:00
db:NVDid:CVE-2021-45524date:2021-12-26T01:15:14.057