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ID

VAR-202112-2198


CVE

CVE-2021-45523


TITLE

NETGEAR R7000  Classic buffer overflow vulnerability in device

Trust: 0.8

sources: JVNDB: JVNDB-2021-016950

DESCRIPTION

NETGEAR R7000 devices before 1.0.9.42 are affected by a buffer overflow by an authenticated user. NETGEAR R7000 A classic buffer overflow vulnerability exists on the device.Service operation interruption (DoS) It may be in a state. Netgear NETGEAR R7000 is a wireless router from Netgear. Attackers can exploit this vulnerability to perform buffer overflow attacks

Trust: 2.25

sources: NVD: CVE-2021-45523 // JVNDB: JVNDB-2021-016950 // CNVD: CNVD-2022-06690 // VULMON: CVE-2021-45523

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2022-06690

AFFECTED PRODUCTS

vendor:netgearmodel:r7000scope:ltversion:1.0.9.42

Trust: 1.6

vendor:ネットギアmodel:r7000scope:eqversion: -

Trust: 0.8

vendor:ネットギアmodel:r7000scope:eqversion:r7000 firmware 1.0.9.42

Trust: 0.8

sources: CNVD: CNVD-2022-06690 // JVNDB: JVNDB-2021-016950 // NVD: CVE-2021-45523

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2021-45523
value: MEDIUM

Trust: 1.0

cve@mitre.org: CVE-2021-45523
value: MEDIUM

Trust: 1.0

NVD: CVE-2021-45523
value: MEDIUM

Trust: 0.8

CNVD: CNVD-2022-06690
value: MEDIUM

Trust: 0.6

CNNVD: CNNVD-202112-2340
value: MEDIUM

Trust: 0.6

VULMON: CVE-2021-45523
value: MEDIUM

Trust: 0.1

nvd@nist.gov: CVE-2021-45523
severity: MEDIUM
baseScore: 6.8
vectorString: AV:N/AC:L/AU:S/C:N/I:N/A:C
accessVector: NETWORK
accessComplexity: LOW
authentication: SINGLE
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: COMPLETE
exploitabilityScore: 8.0
impactScore: 6.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.9

CNVD: CNVD-2022-06690
severity: MEDIUM
baseScore: 6.8
vectorString: AV:N/AC:L/AU:S/C:N/I:N/A:C
accessVector: NETWORK
accessComplexity: LOW
authentication: SINGLE
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: COMPLETE
exploitabilityScore: 8.0
impactScore: 6.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.6

nvd@nist.gov: CVE-2021-45523
baseSeverity: MEDIUM
baseScore: 6.5
vectorString: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: LOW
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: HIGH
exploitabilityScore: 2.8
impactScore: 3.6
version: 3.1

Trust: 1.0

cve@mitre.org: CVE-2021-45523
baseSeverity: MEDIUM
baseScore: 5.7
vectorString: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
attackVector: ADJACENT
attackComplexity: LOW
privilegesRequired: LOW
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: HIGH
exploitabilityScore: 2.1
impactScore: 3.6
version: 3.1

Trust: 1.0

NVD: CVE-2021-45523
baseSeverity: MEDIUM
baseScore: 6.5
vectorString: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: LOW
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: HIGH
exploitabilityScore: NONE
impactScore: NONE
version: 3.0

Trust: 0.8

sources: CNVD: CNVD-2022-06690 // VULMON: CVE-2021-45523 // JVNDB: JVNDB-2021-016950 // CNNVD: CNNVD-202112-2340 // NVD: CVE-2021-45523 // NVD: CVE-2021-45523

PROBLEMTYPE DATA

problemtype:CWE-120

Trust: 1.0

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

Trust: 0.8

sources: JVNDB: JVNDB-2021-016950 // NVD: CVE-2021-45523

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202112-2340

TYPE

other

Trust: 0.6

sources: CNNVD: CNNVD-202112-2340

PATCH

title:Security Advisory for Post-Authentication Buffer Overflow on R7000, PSV-2018-0418url:https://kb.netgear.com/000064442/Security-Advisory-for-Post-Authentication-Buffer-Overflow-on-R7000-PSV-2018-0418

Trust: 0.8

title:Patch for NETGEAR R7000 Buffer Overflow Vulnerability (CNVD-2022-06690)url:https://www.cnvd.org.cn/patchInfo/show/316176

Trust: 0.6

title:Netgear NETGEAR R7000 Security vulnerabilitiesurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=177092

Trust: 0.6

sources: CNVD: CNVD-2022-06690 // JVNDB: JVNDB-2021-016950 // CNNVD: CNNVD-202112-2340

EXTERNAL IDS

db:NVDid:CVE-2021-45523

Trust: 3.9

db:JVNDBid:JVNDB-2021-016950

Trust: 0.8

db:CNVDid:CNVD-2022-06690

Trust: 0.6

db:CNNVDid:CNNVD-202112-2340

Trust: 0.6

db:VULMONid:CVE-2021-45523

Trust: 0.1

sources: CNVD: CNVD-2022-06690 // VULMON: CVE-2021-45523 // JVNDB: JVNDB-2021-016950 // CNNVD: CNNVD-202112-2340 // NVD: CVE-2021-45523

REFERENCES

url:https://nvd.nist.gov/vuln/detail/cve-2021-45523

Trust: 2.0

url:https://kb.netgear.com/000064442/security-advisory-for-post-authentication-buffer-overflow-on-r7000-psv-2018-0418

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-2022-06690 // VULMON: CVE-2021-45523 // JVNDB: JVNDB-2021-016950 // CNNVD: CNNVD-202112-2340 // NVD: CVE-2021-45523

SOURCES

db:CNVDid:CNVD-2022-06690
db:VULMONid:CVE-2021-45523
db:JVNDBid:JVNDB-2021-016950
db:CNNVDid:CNNVD-202112-2340
db:NVDid:CVE-2021-45523

LAST UPDATE DATE

2024-11-23T22:50:58.558000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2022-06690date:2022-01-25T00:00:00
db:VULMONid:CVE-2021-45523date:2022-01-04T00:00:00
db:JVNDBid:JVNDB-2021-016950date:2022-12-27T05:16:00
db:CNNVDid:CNNVD-202112-2340date:2022-01-10T00:00:00
db:NVDid:CVE-2021-45523date:2024-11-21T06:32:24.967

SOURCES RELEASE DATE

db:CNVDid:CNVD-2022-06690date:2022-01-25T00:00:00
db:VULMONid:CVE-2021-45523date:2021-12-26T00:00:00
db:JVNDBid:JVNDB-2021-016950date:2022-12-27T00:00:00
db:CNNVDid:CNNVD-202112-2340date:2021-12-26T00:00:00
db:NVDid:CVE-2021-45523date:2021-12-26T01:15:14.007