Details of VAR-202309-2863

ID

VAR-202309-2863

CVE

CVE-2023-43863

TITLE

D-Link Systems, Inc. of DIR-619L Out-of-bounds write vulnerability in firmware

Trust: 0.8

sources: JVNDB: JVNDB-2023-013276

DESCRIPTION

D-Link DIR-619L B1 2.02 is vulnerable to Buffer Overflow via formSetWanDhcpplus function. D-Link Systems, Inc. of DIR-619L An out-of-bounds write vulnerability exists in firmware.Service operation interruption (DoS) It may be in a state. The D-Link DIR-619L is a wireless router designed for home and small office environments. It implements the IEEE 802.11n standard and offers a maximum transmission rate of 300Mbps. Detailed vulnerability details are not available at this time

Trust: 2.16

sources: NVD: CVE-2023-43863 // JVNDB: JVNDB-2023-013276 // CNVD: CNVD-2025-17401

IOT TAXONOMY

category:

['Network device']

sub_category:

Trust: 0.6

sources: CNVD: CNVD-2025-17401

AFFECTED PRODUCTS

vendor:	dlink	model:	dir-619l	scope:	eq	version:	2.02	Trust: 1.0
vendor:	d link	model:	dir-619l	scope:	-	version:	-	Trust: 0.8
vendor:	d link	model:	dir-619l	scope:	eq	version:	-	Trust: 0.8
vendor:	d link	model:	dir-619l	scope:	eq	version:	dir-619l firmware 2.02	Trust: 0.8
vendor:	d link	model:	dir-619l b1	scope:	eq	version:	2.02	Trust: 0.6

sources: CNVD: CNVD-2025-17401 // JVNDB: JVNDB-2023-013276 // NVD: CVE-2023-43863

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2023-43863
value:	HIGH
Trust: 1.0
NVD:	CVE-2023-43863
value:	HIGH
Trust: 0.8
CNVD:	CNVD-2025-17401
value:	HIGH
Trust: 0.6

CNVD:	CNVD-2025-17401
severity:	HIGH
baseScore:	7.8
vectorString:	AV:N/AC:L/AU:N/C:N/I:N/A:C
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	NONE
integrityImpact:	NONE
availabilityImpact:	COMPLETE
exploitabilityScore:	10.0
impactScore:	6.9
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.6

nvd@nist.gov:	CVE-2023-43863
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
NVD:	CVE-2023-43863
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: CNVD: CNVD-2025-17401 // JVNDB: JVNDB-2023-013276 // NVD: CVE-2023-43863

PROBLEMTYPE DATA

problemtype:	CWE-787	Trust: 1.0
problemtype:	Out-of-bounds writing (CWE-787) [NVD evaluation ]	Trust: 0.8

sources: JVNDB: JVNDB-2023-013276 // NVD: CVE-2023-43863

PATCH

title:

Patch for D-Link DIR-619L Buffer Overflow Vulnerability

url:

https://www.cnvd.org.cn/patchInfo/show/714741

Trust: 0.6

sources: CNVD: CNVD-2025-17401

EXTERNAL IDS

db:	NVD	id:	CVE-2023-43863	Trust: 3.2
db:	JVNDB	id:	JVNDB-2023-013276	Trust: 0.8
db:	CNVD	id:	CNVD-2025-17401	Trust: 0.6

sources: CNVD: CNVD-2025-17401 // JVNDB: JVNDB-2023-013276 // NVD: CVE-2023-43863

REFERENCES

url:	https://github.com/ytrick/vuln/blob/main/dir-619l%20buffer%20overflow_1.md	Trust: 1.8
url:	https://www.dlink.com/en/security-bulletin/	Trust: 1.8
url:	https://nvd.nist.gov/vuln/detail/cve-2023-43863	Trust: 0.8
url:	https://cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2023-43863	Trust: 0.6

sources: CNVD: CNVD-2025-17401 // JVNDB: JVNDB-2023-013276 // NVD: CVE-2023-43863

SOURCES

db:	CNVD	id:	CNVD-2025-17401
db:	JVNDB	id:	JVNDB-2023-013276
db:	NVD	id:	CVE-2023-43863

LAST UPDATE DATE

2025-08-02T23:01:30.945000+00:00

SOURCES UPDATE DATE

db:	CNVD	id:	CNVD-2025-17401	date:	2025-08-01T00:00:00
db:	JVNDB	id:	JVNDB-2023-013276	date:	2023-12-20T04:45:00
db:	NVD	id:	CVE-2023-43863	date:	2023-09-29T04:32:32.697

SOURCES RELEASE DATE

db:	CNVD	id:	CNVD-2025-17401	date:	2025-08-01T00:00:00
db:	JVNDB	id:	JVNDB-2023-013276	date:	2023-12-20T00:00:00
db:	NVD	id:	CVE-2023-43863	date:	2023-09-28T14:15:22.207