Details of VAR-202603-1724

ID

VAR-202603-1724

CVE

CVE-2026-4214

TITLE

D-Link Corporation of dnr-202l Multiple vulnerabilities in multiple products, including firmware

Trust: 0.8

sources: JVNDB: JVNDB-2026-008214

DESCRIPTION

A flaw has been found in D-Link DNS-120, DNR-202L, DNS-315L, DNS-320, DNS-320L, DNS-320LW, DNS-321, DNR-322L, DNS-323, DNS-325, DNS-326, DNS-327L, DNR-326, DNS-340L, DNS-343, DNS-345, DNS-726-4, DNS-1100-4, DNS-1200-05 and DNS-1550-04 up to 20260205. This issue affects the function UPnP_AV_Server_Path_Setting of the file /cgi-bin/app_mgr.cgi. Executing a manipulation can lead to stack-based buffer overflow. The attack may be launched remotely. The exploit has been published and may be used. D-Link of DNS-120 , DNR-202L , DNS-315L , DNS-320 , DNS-320L , DNS-320LW , DNS-321 , DNR-322L , DNS-323 , DNS-325 , DNS-326 , DNS-327L , DNR-326 , DNS-340L , DNS-343 , DNS-345 , DNS-726-4 , DNS-1100-4 , DNS-1200-05 and DNS-1550-04 (( 2026 Year 2 Moon 5 A vulnerability has been discovered in the version up to [date]. This attack can be performed remotely, and the attack code is publicly available, so it is vulnerable to exploitation.All information handled by the software may be leaked to the outside. All information handled by the software may be rewritten. Furthermore, the software may stop working completely. Furthermore, attacks that exploit this vulnerability will not affect other software

Trust: 1.62

sources: NVD: CVE-2026-4214 // JVNDB: JVNDB-2026-008214

AFFECTED PRODUCTS

vendor:	dlink	model:	dns-327l	scope:	lte	version:	2026-02-05	Trust: 1.0
vendor:	dlink	model:	dns-1100-4	scope:	lte	version:	2026-02-05	Trust: 1.0
vendor:	dlink	model:	dns-343	scope:	lte	version:	2026-02-05	Trust: 1.0
vendor:	dlink	model:	dns-345	scope:	lte	version:	2026-02-05	Trust: 1.0
vendor:	dlink	model:	dnr-326	scope:	lte	version:	2026-02-05	Trust: 1.0
vendor:	dlink	model:	dns-1550-04	scope:	lte	version:	2026-02-05	Trust: 1.0
vendor:	dlink	model:	dns-321	scope:	lte	version:	2026-02-05	Trust: 1.0
vendor:	dlink	model:	dns-325	scope:	lte	version:	2026-02-05	Trust: 1.0
vendor:	dlink	model:	dns-120	scope:	lte	version:	2026-02-05	Trust: 1.0
vendor:	dlink	model:	dns-315l	scope:	lte	version:	2026-02-05	Trust: 1.0
vendor:	dlink	model:	dns-323	scope:	lte	version:	2026-02-05	Trust: 1.0
vendor:	dlink	model:	dns-326	scope:	lte	version:	2026-02-05	Trust: 1.0
vendor:	dlink	model:	dns-340l	scope:	lte	version:	2026-02-05	Trust: 1.0
vendor:	dlink	model:	dns-320l	scope:	lte	version:	2026-02-05	Trust: 1.0
vendor:	dlink	model:	dns-320lw	scope:	lte	version:	2026-02-05	Trust: 1.0
vendor:	dlink	model:	dns-726-4	scope:	lte	version:	2026-02-05	Trust: 1.0
vendor:	dlink	model:	dnr-202l	scope:	lte	version:	2026-02-05	Trust: 1.0
vendor:	dlink	model:	dns-322l	scope:	lte	version:	2026-02-05	Trust: 1.0
vendor:	dlink	model:	dns-1200-05	scope:	lte	version:	2026-02-05	Trust: 1.0
vendor:	dlink	model:	dns-320	scope:	lte	version:	2026-02-05	Trust: 1.0
vendor:	d link	model:	dns-315l	scope:	-	version:	-	Trust: 0.8
vendor:	d link	model:	d-link dnr-326	scope:	-	version:	-	Trust: 0.8
vendor:	d link	model:	dnr-202l	scope:	-	version:	-	Trust: 0.8
vendor:	d link	model:	d-link dns-322l	scope:	-	version:	-	Trust: 0.8
vendor:	d link	model:	d-link dns-345	scope:	-	version:	-	Trust: 0.8
vendor:	d link	model:	d-link dns-320lw	scope:	-	version:	-	Trust: 0.8
vendor:	d link	model:	dns-326	scope:	-	version:	-	Trust: 0.8
vendor:	d link	model:	dns-343	scope:	-	version:	-	Trust: 0.8
vendor:	d link	model:	dns-321	scope:	-	version:	-	Trust: 0.8
vendor:	d link	model:	d-link dns-327l	scope:	-	version:	-	Trust: 0.8
vendor:	d link	model:	dns-1100-4	scope:	-	version:	-	Trust: 0.8
vendor:	d link	model:	dns-340l	scope:	-	version:	-	Trust: 0.8
vendor:	d link	model:	d-link dns-320l	scope:	-	version:	-	Trust: 0.8
vendor:	d link	model:	dns-323	scope:	-	version:	-	Trust: 0.8
vendor:	d link	model:	dns-120	scope:	-	version:	-	Trust: 0.8
vendor:	d link	model:	dns-1200-05	scope:	-	version:	-	Trust: 0.8
vendor:	d link	model:	dns-726-4	scope:	-	version:	-	Trust: 0.8
vendor:	d link	model:	d-link dns-320	scope:	-	version:	-	Trust: 0.8
vendor:	d link	model:	dns-1550-04	scope:	-	version:	-	Trust: 0.8
vendor:	d link	model:	d-link dns-325	scope:	-	version:	-	Trust: 0.8

sources: JVNDB: JVNDB-2026-008214 // NVD: CVE-2026-4214

CVSS

SEVERITY

CVSSV2

CVSSV3

cna@vuldb.com:	CVE-2026-4214
value:	HIGH
Trust: 1.0
nvd@nist.gov:	CVE-2026-4214
value:	CRITICAL
Trust: 1.0
OTHER:	JVNDB-2026-008214
value:	CRITICAL
Trust: 0.8

cna@vuldb.com:	CVE-2026-4214
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-2026-008214
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

cna@vuldb.com:	CVE-2026-4214
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-2026-4214
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-2026-008214
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: JVNDB: JVNDB-2026-008214 // NVD: CVE-2026-4214 // NVD: CVE-2026-4214

PROBLEMTYPE DATA

problemtype:	CWE-121	Trust: 1.0
problemtype:	CWE-119	Trust: 1.0
problemtype:	CWE-787	Trust: 1.0
problemtype:	Buffer error (CWE-119) [ others ]	Trust: 0.8
problemtype:	Stack-based buffer overflow (CWE-121) [ others ]	Trust: 0.8
problemtype:	Out-of-bounds writing (CWE-787) [NVD evaluation ]	Trust: 0.8

sources: JVNDB: JVNDB-2026-008214 // NVD: CVE-2026-4214

PATCH

title:

Submit #770445

url:

https://github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_164/164.md

Trust: 0.8

sources: JVNDB: JVNDB-2026-008214

EXTERNAL IDS

db:	NVD	id:	CVE-2026-4214	Trust: 2.6
db:	VULDB	id:	351125	Trust: 1.0
db:	JVNDB	id:	JVNDB-2026-008214	Trust: 0.8

sources: JVNDB: JVNDB-2026-008214 // NVD: CVE-2026-4214

REFERENCES

url:	https://www.dlink.com/	Trust: 1.8
url:	https://github.com/wudipjq/my_vuln/blob/main/d-link8/vuln_164/164.md	Trust: 1.0
url:	https://vuldb.com/?id.351125	Trust: 1.0
url:	https://vuldb.com/?ctiid.351125	Trust: 1.0
url:	https://vuldb.com/?submit.770445	Trust: 1.0
url:	https://nvd.nist.gov/vuln/detail/cve-2026-4214	Trust: 0.8

sources: JVNDB: JVNDB-2026-008214 // NVD: CVE-2026-4214

SOURCES

db:	JVNDB	id:	JVNDB-2026-008214
db:	NVD	id:	CVE-2026-4214

LAST UPDATE DATE

2026-03-25T23:08:56.735000+00:00

SOURCES UPDATE DATE

db:	JVNDB	id:	JVNDB-2026-008214	date:	2026-03-24T05:37:00
db:	NVD	id:	CVE-2026-4214	date:	2026-03-19T14:29:33.657

SOURCES RELEASE DATE

db:	JVNDB	id:	JVNDB-2026-008214	date:	2026-03-24T00:00:00
db:	NVD	id:	CVE-2026-4214	date:	2026-03-16T14:20:08.227