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ID

VAR-202112-2341


CVE

CVE-2021-45608


TITLE

plural  NETGEAR  Integer overflow vulnerability in devices

Trust: 0.8

sources: JVNDB: JVNDB-2021-017175

DESCRIPTION

Certain D-Link, Edimax, NETGEAR, TP-Link, Tenda, and Western Digital devices are affected by an integer overflow by an unauthenticated attacker. Remote code execution from the WAN interface (TCP port 20005) cannot be ruled out; however, exploitability was judged to be of "rather significant complexity" but not "impossible." The overflow is in SoftwareBus_dispatchNormalEPMsgOut in the KCodes NetUSB kernel module. Affected NETGEAR devices are D7800 before 1.0.1.68, R6400v2 before 1.0.4.122, and R6700v3 before 1.0.4.122. NETGEAR D7800 , R6400v2 , R6700v3 Exists in an integer overflow vulnerability.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state

Trust: 1.71

sources: NVD: CVE-2021-45608 // JVNDB: JVNDB-2021-017175 // VULMON: CVE-2021-45608

AFFECTED PRODUCTS

vendor:netgearmodel:r6400v2scope:ltversion:1.0.4.122

Trust: 1.0

vendor:netgearmodel:d7800scope:ltversion:1.0.1.68

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vendor:netgearmodel:r6700v3scope:ltversion:1.0.4.122

Trust: 1.0

vendor:ネットギアmodel:r6400v2scope: - version: -

Trust: 0.8

vendor:ネットギアmodel:r6700v3scope: - version: -

Trust: 0.8

vendor:ネットギアmodel:d7800scope: - version: -

Trust: 0.8

sources: JVNDB: JVNDB-2021-017175 // NVD: CVE-2021-45608

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2021-45608
value: CRITICAL

Trust: 1.0

cve@mitre.org: CVE-2021-45608
value: MEDIUM

Trust: 1.0

NVD: CVE-2021-45608
value: CRITICAL

Trust: 0.8

CNNVD: CNNVD-202112-2402
value: CRITICAL

Trust: 0.6

VULMON: CVE-2021-45608
value: HIGH

Trust: 0.1

nvd@nist.gov: CVE-2021-45608
severity: HIGH
baseScore: 7.5
vectorString: AV:N/AC:L/AU:N/C:P/I:P/A:P
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: PARTIAL
integrityImpact: PARTIAL
availabilityImpact: PARTIAL
exploitabilityScore: 10.0
impactScore: 6.4
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.9

nvd@nist.gov: CVE-2021-45608
baseSeverity: CRITICAL
baseScore: 9.8
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 3.9
impactScore: 5.9
version: 3.1

Trust: 1.0

cve@mitre.org: CVE-2021-45608
baseSeverity: MEDIUM
baseScore: 6.5
vectorString: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N
attackVector: NETWORK
attackComplexity: HIGH
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: LOW
availabilityImpact: NONE
exploitabilityScore: 2.2
impactScore: 4.2
version: 3.1

Trust: 1.0

NVD: CVE-2021-45608
baseSeverity: CRITICAL
baseScore: 9.8
vectorString: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: NONE
impactScore: NONE
version: 3.0

Trust: 0.8

sources: VULMON: CVE-2021-45608 // JVNDB: JVNDB-2021-017175 // CNNVD: CNNVD-202112-2402 // NVD: CVE-2021-45608 // NVD: CVE-2021-45608

PROBLEMTYPE DATA

problemtype:CWE-190

Trust: 1.0

problemtype:Integer overflow or wraparound (CWE-190) [NVD evaluation ]

Trust: 0.8

sources: JVNDB: JVNDB-2021-017175 // NVD: CVE-2021-45608

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202112-2402

TYPE

input validation error

Trust: 0.6

sources: CNNVD: CNNVD-202112-2402

PATCH

title:Security Advisory for Pre-Authentication Buffer Overflow on Multiple Products, PSV-2021-0278url:https://kb.netgear.com/000064437/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Multiple-Products-PSV-2021-0278

Trust: 0.8

title:Netgear NETGEAR Security vulnerabilitiesurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=177123

Trust: 0.6

title: - url:https://github.com/khanhdz191/linux-kernel-exploitation

Trust: 0.1

sources: VULMON: CVE-2021-45608 // JVNDB: JVNDB-2021-017175 // CNNVD: CNNVD-202112-2402

EXTERNAL IDS

db:NVDid:CVE-2021-45608

Trust: 3.3

db:JVNDBid:JVNDB-2021-017175

Trust: 0.8

db:CS-HELPid:SB2022011308

Trust: 0.6

db:CNNVDid:CNNVD-202112-2402

Trust: 0.6

db:VULMONid:CVE-2021-45608

Trust: 0.1

sources: VULMON: CVE-2021-45608 // JVNDB: JVNDB-2021-017175 // CNNVD: CNNVD-202112-2402 // NVD: CVE-2021-45608

REFERENCES

url:https://www.sentinelone.com/labs/cve-2021-45608-netusb-rce-flaw-in-millions-of-end-user-routers/

Trust: 2.5

url:https://kb.netgear.com/000064437/security-advisory-for-pre-authentication-buffer-overflow-on-multiple-products-psv-2021-0278

Trust: 1.7

url:https://nvd.nist.gov/vuln/detail/cve-2021-45608

Trust: 1.4

url:https://www.cybersecurity-help.cz/vdb/sb2022011308

Trust: 0.6

url:https://cwe.mitre.org/data/definitions/190.html

Trust: 0.1

url:https://nvd.nist.gov

Trust: 0.1

url:https://github.com/khanhdz191/linux-kernel-exploitation

Trust: 0.1

sources: VULMON: CVE-2021-45608 // JVNDB: JVNDB-2021-017175 // CNNVD: CNNVD-202112-2402 // NVD: CVE-2021-45608

SOURCES

db:VULMONid:CVE-2021-45608
db:JVNDBid:JVNDB-2021-017175
db:CNNVDid:CNNVD-202112-2402
db:NVDid:CVE-2021-45608

LAST UPDATE DATE

2024-11-23T23:11:03.048000+00:00


SOURCES UPDATE DATE

db:VULMONid:CVE-2021-45608date:2022-04-29T00:00:00
db:JVNDBid:JVNDB-2021-017175date:2023-01-06T06:08:00
db:CNNVDid:CNNVD-202112-2402date:2022-05-05T00:00:00
db:NVDid:CVE-2021-45608date:2024-11-21T06:32:39.413

SOURCES RELEASE DATE

db:VULMONid:CVE-2021-45608date:2021-12-26T00:00:00
db:JVNDBid:JVNDB-2021-017175date:2023-01-06T00:00:00
db:CNNVDid:CNNVD-202112-2402date:2021-12-26T00:00:00
db:NVDid:CVE-2021-45608date:2021-12-26T01:15:18.083