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ID

VAR-202108-1632


CVE

CVE-2021-38526


TITLE

plural  NETGEAR  Classic buffer overflow vulnerability in device

Trust: 0.8

sources: JVNDB: JVNDB-2021-010408

DESCRIPTION

Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects RAX35 before 1.0.3.94, RAX38 before 1.0.3.94, and RAX40 before 1.0.3.94. plural NETGEAR A classic buffer overflow vulnerability exists on the device.Service operation interruption (DoS) It may be in a state. This affects RAX35 prior to 1.0.3.94, RAX38 prior to 1.0.3.94, and RAX40 prior to 1.0.3.94

Trust: 1.71

sources: NVD: CVE-2021-38526 // JVNDB: JVNDB-2021-010408 // VULMON: CVE-2021-38526

AFFECTED PRODUCTS

vendor:netgearmodel:rax38scope:ltversion:1.0.3.94

Trust: 1.0

vendor:netgearmodel:rax35scope:ltversion:1.0.3.94

Trust: 1.0

vendor:netgearmodel:rax40scope:ltversion:1.0.3.94

Trust: 1.0

vendor:ネットギアmodel:rax40scope: - version: -

Trust: 0.8

vendor:ネットギアmodel:rax38scope: - version: -

Trust: 0.8

vendor:ネットギアmodel:rax35scope: - version: -

Trust: 0.8

sources: JVNDB: JVNDB-2021-010408 // NVD: CVE-2021-38526

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2021-38526
value: HIGH

Trust: 1.0

cve@mitre.org: CVE-2021-38526
value: MEDIUM

Trust: 1.0

NVD: CVE-2021-38526
value: HIGH

Trust: 0.8

CNNVD: CNNVD-202108-1002
value: HIGH

Trust: 0.6

VULMON: CVE-2021-38526
value: MEDIUM

Trust: 0.1

nvd@nist.gov: CVE-2021-38526
severity: MEDIUM
baseScore: 5.0
vectorString: AV:N/AC:L/AU:N/C:N/I:N/A:P
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: PARTIAL
exploitabilityScore: 10.0
impactScore: 2.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.9

nvd@nist.gov: CVE-2021-38526
baseSeverity: HIGH
baseScore: 7.5
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: HIGH
exploitabilityScore: 3.9
impactScore: 3.6
version: 3.1

Trust: 1.0

cve@mitre.org: CVE-2021-38526
baseSeverity: MEDIUM
baseScore: 4.3
vectorString: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
attackVector: ADJACENT
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: LOW
exploitabilityScore: 2.8
impactScore: 1.4
version: 3.1

Trust: 1.0

NVD: CVE-2021-38526
baseSeverity: HIGH
baseScore: 7.5
vectorString: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: HIGH
exploitabilityScore: NONE
impactScore: NONE
version: 3.0

Trust: 0.8

sources: VULMON: CVE-2021-38526 // JVNDB: JVNDB-2021-010408 // CNNVD: CNNVD-202108-1002 // NVD: CVE-2021-38526 // NVD: CVE-2021-38526

PROBLEMTYPE DATA

problemtype:CWE-120

Trust: 1.0

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

Trust: 0.8

sources: JVNDB: JVNDB-2021-010408 // NVD: CVE-2021-38526

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202108-1002

TYPE

buffer error

Trust: 0.6

sources: CNNVD: CNNVD-202108-1002

PATCH

title:Security Advisory for Pre-Authentication Buffer Overflow on Some Routers, PSV-2020-0416url:https://kb.netgear.com/000063782/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Some-Routers-PSV-2020-0416

Trust: 0.8

title:Netgear NETGEAR Buffer error vulnerability fixurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=159386

Trust: 0.6

sources: JVNDB: JVNDB-2021-010408 // CNNVD: CNNVD-202108-1002

EXTERNAL IDS

db:NVDid:CVE-2021-38526

Trust: 3.3

db:JVNDBid:JVNDB-2021-010408

Trust: 0.8

db:CNNVDid:CNNVD-202108-1002

Trust: 0.6

db:VULMONid:CVE-2021-38526

Trust: 0.1

sources: VULMON: CVE-2021-38526 // JVNDB: JVNDB-2021-010408 // CNNVD: CNNVD-202108-1002 // NVD: CVE-2021-38526

REFERENCES

url:https://kb.netgear.com/000063782/security-advisory-for-pre-authentication-buffer-overflow-on-some-routers-psv-2020-0416

Trust: 1.7

url:https://nvd.nist.gov/vuln/detail/cve-2021-38526

Trust: 1.4

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

Trust: 0.1

url:https://nvd.nist.gov

Trust: 0.1

sources: VULMON: CVE-2021-38526 // JVNDB: JVNDB-2021-010408 // CNNVD: CNNVD-202108-1002 // NVD: CVE-2021-38526

SOURCES

db:VULMONid:CVE-2021-38526
db:JVNDBid:JVNDB-2021-010408
db:CNNVDid:CNNVD-202108-1002
db:NVDid:CVE-2021-38526

LAST UPDATE DATE

2024-08-14T15:01:20.855000+00:00


SOURCES UPDATE DATE

db:VULMONid:CVE-2021-38526date:2021-08-18T00:00:00
db:JVNDBid:JVNDB-2021-010408date:2022-06-30T09:05:00
db:CNNVDid:CNNVD-202108-1002date:2021-08-19T00:00:00
db:NVDid:CVE-2021-38526date:2021-08-18T20:17:09.940

SOURCES RELEASE DATE

db:VULMONid:CVE-2021-38526date:2021-08-11T00:00:00
db:JVNDBid:JVNDB-2021-010408date:2022-06-30T00:00:00
db:CNNVDid:CNNVD-202108-1002date:2021-08-10T00:00:00
db:NVDid:CVE-2021-38526date:2021-08-11T00:16:14.140