ID

VAR-202603-5550


CVE

CVE-2026-5214


TITLE

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

Trust: 0.8

sources: JVNDB: JVNDB-2026-009893

DESCRIPTION

A vulnerability was 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. Impacted is the function cgi_addgroup_get_group_quota_minsize of the file /cgi-bin/account_mgr.cgi. The manipulation of the argument Name results in stack-based buffer overflow. The attack may be performed from remote. The exploit has been made public and could 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 is vulnerable to exploitation as the exploit code is publicly available.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-2026-5214 // JVNDB: JVNDB-2026-009893

AFFECTED PRODUCTS

vendor:dlinkmodel:dns-321scope:lteversion:2026-02-05

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vendor:dlinkmodel:dns-345scope:lteversion:2026-02-05

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vendor:dlinkmodel:dns-326scope:lteversion:2026-02-05

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vendor:dlinkmodel:dns-320lwscope:lteversion:2026-02-05

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vendor:dlinkmodel:dns-1550-04scope:lteversion:2026-02-05

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vendor:dlinkmodel:dns-320scope:lteversion:2026-02-05

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vendor:dlinkmodel:dns-325scope:lteversion:2026-02-05

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vendor:dlinkmodel:dns-726-4scope:lteversion:2026-02-05

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vendor:dlinkmodel:dns-1200-05scope:lteversion:2026-02-05

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vendor:dlinkmodel:dns-343scope:lteversion:2026-02-05

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vendor:dlinkmodel:dns-327lscope:lteversion:2026-02-05

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vendor:dlinkmodel:dnr-326scope:lteversion:2026-02-05

Trust: 1.0

vendor:dlinkmodel:dns-340lscope:lteversion:2026-02-05

Trust: 1.0

vendor:dlinkmodel:dns-322lscope:lteversion:2026-02-05

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vendor:dlinkmodel:dns-1100-4scope:lteversion:2026-02-05

Trust: 1.0

vendor:dlinkmodel:dnr-202lscope:lteversion:2026-02-05

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vendor:dlinkmodel:dns-315lscope:lteversion:2026-02-05

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vendor:dlinkmodel:dns-120scope:lteversion:2026-02-05

Trust: 1.0

vendor:dlinkmodel:dns-320lscope:lteversion:2026-02-05

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vendor:dlinkmodel:dns-323scope:lteversion:2026-02-05

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vendor:d linkmodel:d-link dns-320lscope: - version: -

Trust: 0.8

vendor:d linkmodel:d-link dns-327lscope: - version: -

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vendor:d linkmodel:dns-315lscope: - version: -

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vendor:d linkmodel:dns-321scope: - version: -

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vendor:d linkmodel:d-link dns-322lscope: - version: -

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vendor:d linkmodel:d-link dns-325scope: - version: -

Trust: 0.8

vendor:d linkmodel:dns-343scope: - version: -

Trust: 0.8

vendor:d linkmodel:dns-1200-05scope: - version: -

Trust: 0.8

vendor:d linkmodel:dns-323scope: - version: -

Trust: 0.8

vendor:d linkmodel:dns-1100-4scope: - version: -

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vendor:d linkmodel:dns-340lscope: - version: -

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vendor:d linkmodel:d-link dns-320scope: - version: -

Trust: 0.8

vendor:d linkmodel:d-link dns-320lwscope: - version: -

Trust: 0.8

vendor:d linkmodel:dns-326scope: - version: -

Trust: 0.8

vendor:d linkmodel:dns-1550-04scope: - version: -

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vendor:d linkmodel:dns-120scope: - version: -

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vendor:d linkmodel:d-link dnr-326scope: - version: -

Trust: 0.8

vendor:d linkmodel:dnr-202lscope: - version: -

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vendor:d linkmodel:dns-726-4scope: - version: -

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vendor:d linkmodel:d-link dns-345scope: - version: -

Trust: 0.8

sources: JVNDB: JVNDB-2026-009893 // NVD: CVE-2026-5214

CVSS

SEVERITY

CVSSV2

CVSSV3

cna@vuldb.com: CVE-2026-5214
value: HIGH

Trust: 1.0

OTHER: JVNDB-2026-009893
value: HIGH

Trust: 0.8

cna@vuldb.com: CVE-2026-5214
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-2026-009893
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-2026-5214
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

OTHER: JVNDB-2026-009893
baseSeverity: HIGH
baseScore: 8.8
vectorString: CVSS:3.0/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: NONE
impactScore: NONE
version: 3.0

Trust: 0.8

sources: JVNDB: JVNDB-2026-009893 // NVD: CVE-2026-5214

PROBLEMTYPE DATA

problemtype:CWE-121

Trust: 1.0

problemtype:CWE-787

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problemtype:CWE-119

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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-2026-009893 // NVD: CVE-2026-5214

PATCH

title://vuldb.com/vuln/354349url:https://github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_169/169.md

Trust: 0.8

sources: JVNDB: JVNDB-2026-009893

EXTERNAL IDS

db:NVDid:CVE-2026-5214

Trust: 2.6

db:JVNDBid:JVNDB-2026-009893

Trust: 0.8

sources: JVNDB: JVNDB-2026-009893 // NVD: CVE-2026-5214

REFERENCES

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

Trust: 1.8

url:https://vuldb.com/submit/780439

Trust: 1.0

url:https://vuldb.com/vuln/354349/cti

Trust: 1.0

url:https://github.com/wudipjq/my_vuln/blob/main/d-link8/vuln_169/169.md

Trust: 1.0

url:https://vuldb.com/vuln/354349

Trust: 1.0

url:https://nvd.nist.gov/vuln/detail/cve-2026-5214

Trust: 0.8

sources: JVNDB: JVNDB-2026-009893 // NVD: CVE-2026-5214

SOURCES

db:JVNDBid:JVNDB-2026-009893
db:NVDid:CVE-2026-5214

LAST UPDATE DATE

2026-04-07T23:36:49.452000+00:00


SOURCES UPDATE DATE

db:JVNDBid:JVNDB-2026-009893date:2026-04-06T02:55:00
db:NVDid:CVE-2026-5214date:2026-04-02T17:16:00.410

SOURCES RELEASE DATE

db:JVNDBid:JVNDB-2026-009893date:2026-04-06T00:00:00
db:NVDid:CVE-2026-5214date:2026-03-31T22:16:22.417