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ID

VAR-202505-0174


CVE

CVE-2025-4449


TITLE

D-Link Systems, Inc.  of  DIR-619L  Buffer error vulnerability in firmware

Trust: 0.8

sources: JVNDB: JVNDB-2025-005007

DESCRIPTION

A vulnerability, which was classified as critical, has been found in D-Link DIR-619L 2.04B04. This issue affects the function formEasySetupWizard3. The manipulation of the argument wan_connected leads to buffer overflow. The attack may be initiated remotely. The vendor was contacted early about this disclosure. This vulnerability only affects products that are no longer supported by the maintainer. D-Link Systems, Inc. of DIR-619L 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. D-Link DIR-619L is a cost-effective wireless router designed for home office Internet access needs. The vulnerability is caused by the improper handling of the wan_connected parameter by the formEasySetupWizard3 function. Attackers can use this vulnerability to submit special requests to crash the application or execute arbitrary code

Trust: 2.16

sources: NVD: CVE-2025-4449 // JVNDB: JVNDB-2025-005007 // CNVD: CNVD-2025-11231

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2025-11231

AFFECTED PRODUCTS

vendor:dlinkmodel:dir-619lscope:eqversion:2.04b04

Trust: 1.0

vendor:d linkmodel:dir-619lscope: - version: -

Trust: 0.8

vendor:d linkmodel:dir-619lscope:eqversion: -

Trust: 0.8

vendor:d linkmodel:dir-619lscope:eqversion:dir-619l firmware 2.04b04

Trust: 0.8

vendor:d linkmodel:dir-619l 2.04b04scope: - version: -

Trust: 0.6

sources: CNVD: CNVD-2025-11231 // JVNDB: JVNDB-2025-005007 // NVD: CVE-2025-4449

CVSS

SEVERITY

CVSSV2

CVSSV3

cna@vuldb.com: CVE-2025-4449
value: HIGH

Trust: 1.0

nvd@nist.gov: CVE-2025-4449
value: CRITICAL

Trust: 1.0

OTHER: JVNDB-2025-005007
value: CRITICAL

Trust: 0.8

CNVD: CNVD-2025-11231
value: HIGH

Trust: 0.6

cna@vuldb.com: CVE-2025-4449
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-2025-005007
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-2025-11231
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-2025-4449
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-2025-4449
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-2025-005007
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-2025-11231 // JVNDB: JVNDB-2025-005007 // NVD: CVE-2025-4449 // NVD: CVE-2025-4449

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-2025-005007 // NVD: CVE-2025-4449

EXTERNAL IDS

db:NVDid:CVE-2025-4449

Trust: 3.2

db:VULDBid:308063

Trust: 1.8

db:JVNDBid:JVNDB-2025-005007

Trust: 0.8

db:CNVDid:CNVD-2025-11231

Trust: 0.6

sources: CNVD: CNVD-2025-11231 // JVNDB: JVNDB-2025-005007 // NVD: CVE-2025-4449

REFERENCES

url:https://vuldb.com/?id.308063

Trust: 1.8

url:https://vuldb.com/?submit.558358

Trust: 1.8

url:https://www.dlink.com/

Trust: 1.8

url:https://github.com/jylsec/vuldb/blob/main/d-link/dlink_dir619l/buffer_overflow-formeasysetupwizard3-wan_connected/readme.md

Trust: 1.6

url:https://vuldb.com/?ctiid.308063

Trust: 1.0

url:https://nvd.nist.gov/vuln/detail/cve-2025-4449

Trust: 0.8

sources: CNVD: CNVD-2025-11231 // JVNDB: JVNDB-2025-005007 // NVD: CVE-2025-4449

SOURCES

db:CNVDid:CNVD-2025-11231
db:JVNDBid:JVNDB-2025-005007
db:NVDid:CVE-2025-4449

LAST UPDATE DATE

2025-06-01T23:09:21.859000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2025-11231date:2025-05-30T00:00:00
db:JVNDBid:JVNDB-2025-005007date:2025-05-15T06:37:00
db:NVDid:CVE-2025-4449date:2025-05-13T20:22:48.283

SOURCES RELEASE DATE

db:CNVDid:CNVD-2025-11231date:2025-05-30T00:00:00
db:JVNDBid:JVNDB-2025-005007date:2025-05-15T00:00:00
db:NVDid:CVE-2025-4449date:2025-05-09T01:15:50.650