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ID

VAR-202108-1628


CVE

CVE-2021-38522


TITLE

NETGEAR R6400  Out-of-bounds write vulnerabilities in devices

Trust: 0.8

sources: JVNDB: JVNDB-2021-010480

DESCRIPTION

NETGEAR R6400 devices before 1.0.1.52 are affected by a stack-based buffer overflow by an authenticated user. NETGEAR R6400 The device contains a vulnerability related to out-of-bounds writes.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. The NETGEAR R6400 is an AC1750 dual-band WiFi router. No detailed vulnerability details are currently provided

Trust: 2.25

sources: NVD: CVE-2021-38522 // JVNDB: JVNDB-2021-010480 // CNVD: CNVD-2022-06699 // VULMON: CVE-2021-38522

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2022-06699

AFFECTED PRODUCTS

vendor:netgearmodel:r6400scope:ltversion:1.0.1.52

Trust: 1.6

vendor:ネットギアmodel:r6400scope:eqversion: -

Trust: 0.8

vendor:ネットギアmodel:r6400scope:eqversion:r6400 firmware 1.0.1.52

Trust: 0.8

sources: CNVD: CNVD-2022-06699 // JVNDB: JVNDB-2021-010480 // NVD: CVE-2021-38522

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2021-38522
value: HIGH

Trust: 1.0

cve@mitre.org: CVE-2021-38522
value: MEDIUM

Trust: 1.0

NVD: CVE-2021-38522
value: HIGH

Trust: 0.8

CNVD: CNVD-2022-06699
value: MEDIUM

Trust: 0.6

CNNVD: CNNVD-202108-1036
value: HIGH

Trust: 0.6

VULMON: CVE-2021-38522
value: MEDIUM

Trust: 0.1

nvd@nist.gov: CVE-2021-38522
severity: MEDIUM
baseScore: 6.5
vectorString: AV:N/AC:L/AU:S/C:P/I:P/A:P
accessVector: NETWORK
accessComplexity: LOW
authentication: SINGLE
confidentialityImpact: PARTIAL
integrityImpact: PARTIAL
availabilityImpact: PARTIAL
exploitabilityScore: 8.0
impactScore: 6.4
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.9

CNVD: CNVD-2022-06699
severity: MEDIUM
baseScore: 6.5
vectorString: AV:N/AC:L/AU:S/C:P/I:P/A:P
accessVector: NETWORK
accessComplexity: LOW
authentication: SINGLE
confidentialityImpact: PARTIAL
integrityImpact: PARTIAL
availabilityImpact: PARTIAL
exploitabilityScore: 8.0
impactScore: 6.4
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.6

nvd@nist.gov: CVE-2021-38522
baseSeverity: HIGH
baseScore: 7.2
vectorString: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: HIGH
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 1.2
impactScore: 5.9
version: 3.1

Trust: 1.0

cve@mitre.org: CVE-2021-38522
baseSeverity: MEDIUM
baseScore: 6.8
vectorString: CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
attackVector: ADJACENT
attackComplexity: LOW
privilegesRequired: HIGH
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 0.9
impactScore: 5.9
version: 3.1

Trust: 1.0

NVD: CVE-2021-38522
baseSeverity: HIGH
baseScore: 7.2
vectorString: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: HIGH
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: NONE
impactScore: NONE
version: 3.0

Trust: 0.8

sources: CNVD: CNVD-2022-06699 // VULMON: CVE-2021-38522 // JVNDB: JVNDB-2021-010480 // CNNVD: CNNVD-202108-1036 // NVD: CVE-2021-38522 // NVD: CVE-2021-38522

PROBLEMTYPE DATA

problemtype:CWE-787

Trust: 1.0

problemtype:Out-of-bounds writing (CWE-787) [NVD evaluation ]

Trust: 0.8

sources: JVNDB: JVNDB-2021-010480 // NVD: CVE-2021-38522

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202108-1036

TYPE

buffer error

Trust: 0.6

sources: CNNVD: CNNVD-202108-1036

PATCH

title:Security Advisory for Post-Authentication Stack Overflow on R6400, PSV-2019-0058url:https://kb.netgear.com/000063767/Security-Advisory-for-Post-Authentication-Stack-Overflow-on-R6400-PSV-2019-0058

Trust: 0.8

title:Patch for NETGEAR R6400 Stack Buffer Overflow Vulnerability (CNVD-2022-06699)url:https://www.cnvd.org.cn/patchInfo/show/316186

Trust: 0.6

title:NETGEAR R6400 Security vulnerabilitiesurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=159411

Trust: 0.6

sources: CNVD: CNVD-2022-06699 // JVNDB: JVNDB-2021-010480 // CNNVD: CNNVD-202108-1036

EXTERNAL IDS

db:NVDid:CVE-2021-38522

Trust: 3.9

db:JVNDBid:JVNDB-2021-010480

Trust: 0.8

db:CNVDid:CNVD-2022-06699

Trust: 0.6

db:CNNVDid:CNNVD-202108-1036

Trust: 0.6

db:VULMONid:CVE-2021-38522

Trust: 0.1

sources: CNVD: CNVD-2022-06699 // VULMON: CVE-2021-38522 // JVNDB: JVNDB-2021-010480 // CNNVD: CNNVD-202108-1036 // NVD: CVE-2021-38522

REFERENCES

url:https://nvd.nist.gov/vuln/detail/cve-2021-38522

Trust: 2.0

url:https://kb.netgear.com/000063767/security-advisory-for-post-authentication-stack-overflow-on-r6400-psv-2019-0058

Trust: 1.7

url:https://cwe.mitre.org/data/definitions/787.html

Trust: 0.1

url:https://nvd.nist.gov

Trust: 0.1

sources: CNVD: CNVD-2022-06699 // VULMON: CVE-2021-38522 // JVNDB: JVNDB-2021-010480 // CNNVD: CNNVD-202108-1036 // NVD: CVE-2021-38522

SOURCES

db:CNVDid:CNVD-2022-06699
db:VULMONid:CVE-2021-38522
db:JVNDBid:JVNDB-2021-010480
db:CNNVDid:CNNVD-202108-1036
db:NVDid:CVE-2021-38522

LAST UPDATE DATE

2024-08-14T15:37:58.530000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2022-06699date:2022-01-25T00:00:00
db:VULMONid:CVE-2021-38522date:2021-08-19T00:00:00
db:JVNDBid:JVNDB-2021-010480date:2022-07-01T09:19:00
db:CNNVDid:CNNVD-202108-1036date:2021-08-20T00:00:00
db:NVDid:CVE-2021-38522date:2021-08-19T12:13:13.313

SOURCES RELEASE DATE

db:CNVDid:CNVD-2022-06699date:2022-01-25T00:00:00
db:VULMONid:CVE-2021-38522date:2021-08-11T00:00:00
db:JVNDBid:JVNDB-2021-010480date:2022-07-01T00:00:00
db:CNNVDid:CNNVD-202108-1036date:2021-08-10T00:00:00
db:NVDid:CVE-2021-38522date:2021-08-11T00:15:54.943