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ID

VAR-202504-3267


CVE

CVE-2025-4120


TITLE

of netgear  jwnr2000v2  Buffer error vulnerability in firmware

Trust: 0.8

sources: JVNDB: JVNDB-2025-005029

DESCRIPTION

A vulnerability was found in Netgear JWNR2000v2 1.0.0.11. It has been classified as critical. Affected is the function sub_4238E8. The manipulation of the argument host leads to buffer overflow. It is possible to launch the attack remotely. The vendor was contacted early about this disclosure but did not respond in any way. of netgear jwnr2000v2 The firmware contains a buffer error vulnerability and a classic buffer overflow vulnerability.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. The vulnerability is caused by the failure of the parameter host of the sub_4238E8 function to correctly verify the length of the input data. Attackers can exploit this vulnerability to execute arbitrary code on the system or cause a denial of service

Trust: 2.16

sources: NVD: CVE-2025-4120 // JVNDB: JVNDB-2025-005029 // CNVD: CNVD-2025-10402

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2025-10402

AFFECTED PRODUCTS

vendor:netgearmodel:jwnr2000v2scope:eqversion:1.0.0.11

Trust: 1.6

vendor:ネットギアmodel:jwnr2000v2scope: - version: -

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vendor:ネットギアmodel:jwnr2000v2scope:eqversion:jwnr2000v2 firmware 1.0.0.11

Trust: 0.8

vendor:ネットギアmodel:jwnr2000v2scope:eqversion: -

Trust: 0.8

sources: CNVD: CNVD-2025-10402 // JVNDB: JVNDB-2025-005029 // NVD: CVE-2025-4120

CVSS

SEVERITY

CVSSV2

CVSSV3

cna@vuldb.com: CVE-2025-4120
value: HIGH

Trust: 1.0

nvd@nist.gov: CVE-2025-4120
value: CRITICAL

Trust: 1.0

OTHER: JVNDB-2025-005029
value: CRITICAL

Trust: 0.8

CNVD: CNVD-2025-10402
value: HIGH

Trust: 0.6

cna@vuldb.com: CVE-2025-4120
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: 1.0

OTHER: JVNDB-2025-005029
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: NONE
impactScore: NONE
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.8

CNVD: CNVD-2025-10402
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

cna@vuldb.com: CVE-2025-4120
baseSeverity: HIGH
baseScore: 8.8
vectorString: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: LOW
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 2.8
impactScore: 5.9
version: 3.1

Trust: 1.0

nvd@nist.gov: CVE-2025-4120
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

NVD: JVNDB-2025-005029
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: CNVD: CNVD-2025-10402 // JVNDB: JVNDB-2025-005029 // NVD: CVE-2025-4120 // NVD: CVE-2025-4120

PROBLEMTYPE DATA

problemtype:CWE-120

Trust: 1.0

problemtype:CWE-119

Trust: 1.0

problemtype:Buffer error (CWE-119) [ others ]

Trust: 0.8

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

Trust: 0.8

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

Trust: 0.8

sources: JVNDB: JVNDB-2025-005029 // NVD: CVE-2025-4120

EXTERNAL IDS

db:NVDid:CVE-2025-4120

Trust: 3.2

db:VULDBid:306600

Trust: 1.8

db:JVNDBid:JVNDB-2025-005029

Trust: 0.8

db:CNVDid:CNVD-2025-10402

Trust: 0.6

sources: CNVD: CNVD-2025-10402 // JVNDB: JVNDB-2025-005029 // NVD: CVE-2025-4120

REFERENCES

url:https://vuldb.com/?id.306600

Trust: 1.8

url:https://vuldb.com/?submit.560774

Trust: 1.8

url:https://www.netgear.com/

Trust: 1.8

url:https://nvd.nist.gov/vuln/detail/cve-2025-4120

Trust: 1.4

url:https://github.com/jylsec/vuldb/blob/main/netgear/netgear_jwnr2000v2/buffer_overflow-sub_4238e8-log_type/readme.md

Trust: 1.0

url:https://vuldb.com/?ctiid.306600

Trust: 1.0

sources: CNVD: CNVD-2025-10402 // JVNDB: JVNDB-2025-005029 // NVD: CVE-2025-4120

SOURCES

db:CNVDid:CNVD-2025-10402
db:JVNDBid:JVNDB-2025-005029
db:NVDid:CVE-2025-4120

LAST UPDATE DATE

2025-05-23T23:28:10.861000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2025-10402date:2025-05-21T00:00:00
db:JVNDBid:JVNDB-2025-005029date:2025-05-15T06:50:00
db:NVDid:CVE-2025-4120date:2025-05-13T20:28:48.900

SOURCES RELEASE DATE

db:CNVDid:CNVD-2025-10402date:2025-05-16T00:00:00
db:JVNDBid:JVNDB-2025-005029date:2025-05-15T00:00:00
db:NVDid:CVE-2025-4120date:2025-04-30T14:15:31.200