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ID

VAR-202504-3428


CVE

CVE-2025-4142


TITLE

of netgear  EX6200  Buffer error vulnerability in firmware

Trust: 0.8

sources: JVNDB: JVNDB-2025-004730

DESCRIPTION

A vulnerability has been found in Netgear EX6200 1.0.3.94 and classified as critical. This vulnerability affects the function sub_3C8EC. The manipulation of the argument host leads to buffer overflow. The attack can be initiated remotely. The vendor was contacted early about this disclosure but did not respond in any way. of netgear EX6200 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. NETGEAR EX6200 is a wireless network signal extender from NETGEAR. The vulnerability is caused by the sub_3C8EC function parameter host failing to correctly verify the length of the input data. Attackers can use this vulnerability to execute arbitrary code on the system or cause a denial of service

Trust: 2.16

sources: NVD: CVE-2025-4142 // JVNDB: JVNDB-2025-004730 // CNVD: CNVD-2025-09919

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2025-09919

AFFECTED PRODUCTS

vendor:netgearmodel:ex6200scope:eqversion:1.0.3.94

Trust: 1.6

vendor:ネットギアmodel:ex6200scope:eqversion: -

Trust: 0.8

vendor:ネットギアmodel:ex6200scope:eqversion:ex6200 firmware 1.0.3.94

Trust: 0.8

vendor:ネットギアmodel:ex6200scope: - version: -

Trust: 0.8

sources: CNVD: CNVD-2025-09919 // JVNDB: JVNDB-2025-004730 // NVD: CVE-2025-4142

CVSS

SEVERITY

CVSSV2

CVSSV3

cna@vuldb.com: CVE-2025-4142
value: HIGH

Trust: 1.0

nvd@nist.gov: CVE-2025-4142
value: CRITICAL

Trust: 1.0

OTHER: JVNDB-2025-004730
value: CRITICAL

Trust: 0.8

CNVD: CNVD-2025-09919
value: HIGH

Trust: 0.6

cna@vuldb.com: CVE-2025-4142
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-2025-004730
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-2025-09919
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-2025-4142
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-2025-4142
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-2025-004730
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-2025-09919 // JVNDB: JVNDB-2025-004730 // NVD: CVE-2025-4142 // NVD: CVE-2025-4142

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-2025-004730 // NVD: CVE-2025-4142

EXTERNAL IDS

db:NVDid:CVE-2025-4142

Trust: 3.2

db:VULDBid:306634

Trust: 1.8

db:JVNDBid:JVNDB-2025-004730

Trust: 0.8

db:CNVDid:CNVD-2025-09919

Trust: 0.6

sources: CNVD: CNVD-2025-09919 // JVNDB: JVNDB-2025-004730 // NVD: CVE-2025-4142

REFERENCES

url:https://github.com/jylsec/vuldb/blob/main/netgear/netgear_ex6200/buffer_overflow-sub_3c8ec-gui_wireless_security_state/readme.md

Trust: 1.8

url:https://vuldb.com/?id.306634

Trust: 1.8

url:https://vuldb.com/?submit.560790

Trust: 1.8

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

Trust: 1.8

url:https://nvd.nist.gov/vuln/detail/cve-2025-4142

Trust: 1.4

url:https://vuldb.com/?ctiid.306634

Trust: 1.0

sources: CNVD: CNVD-2025-09919 // JVNDB: JVNDB-2025-004730 // NVD: CVE-2025-4142

SOURCES

db:CNVDid:CNVD-2025-09919
db:JVNDBid:JVNDB-2025-004730
db:NVDid:CVE-2025-4142

LAST UPDATE DATE

2025-05-17T03:54:42.585000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2025-09919date:2025-05-16T00:00:00
db:JVNDBid:JVNDB-2025-004730date:2025-05-13T05:38:00
db:NVDid:CVE-2025-4142date:2025-05-12T19:39:50.053

SOURCES RELEASE DATE

db:CNVDid:CNVD-2025-09919date:2025-05-16T00:00:00
db:JVNDBid:JVNDB-2025-004730date:2025-05-13T00:00:00
db:NVDid:CVE-2025-4142date:2025-04-30T23:16:02.543