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ID

VAR-202603-1781


CVE

CVE-2026-4197


TITLE

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

Trust: 0.8

sources: JVNDB: JVNDB-2026-008225

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. Affected is the function RSS_Get_Update_Status/RSS_Update/RSS_Channel_AutoDownlaod/RSS_Add/RSS_Channel_Item_Downlaod/RSS_History_Item_List/RSS_Item_List of the file /cgi-bin/download_mgr.cgi. The manipulation results in command injection. 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 was discovered on [date]. The exploit has been exposed and may be exploited.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-2026-4197 // JVNDB: JVNDB-2026-008225

AFFECTED PRODUCTS

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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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-320lscope: - version: -

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

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

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

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

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

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

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

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sources: JVNDB: JVNDB-2026-008225 // NVD: CVE-2026-4197

CVSS

SEVERITY

CVSSV2

CVSSV3

cna@vuldb.com: CVE-2026-4197
value: LOW

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nvd@nist.gov: CVE-2026-4197
value: CRITICAL

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OTHER: JVNDB-2026-008225
value: CRITICAL

Trust: 0.8

cna@vuldb.com: CVE-2026-4197
severity: MEDIUM
baseScore: 6.5
vectorString: AV:N/AC:L/AU:S/C:P/I:P/A:P
accessVector: NETWORK
accessComplexity: LOW
authentication: SINGLE
confidentialityImpact: PARTIAL
integrityImpact: PARTIAL
availabilityImpact: PARTIAL
exploitabilityScore: 8.0
impactScore: 6.4
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.0

OTHER: JVNDB-2026-008225
severity: MEDIUM
baseScore: 6.5
vectorString: AV:N/AC:L/AU:S/C:P/I:P/A:P
accessVector: NETWORK
accessComplexity: LOW
authentication: SINGLE
confidentialityImpact: PARTIAL
integrityImpact: PARTIAL
availabilityImpact: PARTIAL
exploitabilityScore: NONE
impactScore: NONE
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.8

cna@vuldb.com: CVE-2026-4197
baseSeverity: MEDIUM
baseScore: 6.3
vectorString: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: LOW
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: LOW
integrityImpact: LOW
availabilityImpact: LOW
exploitabilityScore: 2.8
impactScore: 3.4
version: 3.1

Trust: 1.0

nvd@nist.gov: CVE-2026-4197
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-2026-008225
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-2026-008225 // NVD: CVE-2026-4197 // NVD: CVE-2026-4197

PROBLEMTYPE DATA

problemtype:CWE-77

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problemtype:CWE-74

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problemtype:injection (CWE-74) [ others ]

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problemtype: Command injection (CWE-77) [NVD evaluation ]

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problemtype: Command injection (CWE-77) [ others ]

Trust: 0.8

sources: JVNDB: JVNDB-2026-008225 // NVD: CVE-2026-4197

PATCH

title:D-Link DNS-120/202L/315L/320/320L/320LW/321/322L/323/325/326/327L/340L/343/345/726-4/1100-4/1200-05/1550-04 up to 20260205 Command Injectionurl:https://github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_102/102.md

Trust: 0.8

sources: JVNDB: JVNDB-2026-008225

EXTERNAL IDS

db:NVDid:CVE-2026-4197

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db:VULDBid:351109

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db:JVNDBid:JVNDB-2026-008225

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sources: JVNDB: JVNDB-2026-008225 // NVD: CVE-2026-4197

REFERENCES

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

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url:https://vuldb.com/?submit.769868

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url:https://vuldb.com/?id.351109

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url:https://vuldb.com/?submit.769867

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url:https://vuldb.com/?submit.769870

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url:https://vuldb.com/?submit.769866

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url:https://vuldb.com/?submit.770364

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url:https://vuldb.com/?submit.769869

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url:https://github.com/wudipjq/my_vuln/blob/main/d-link8/vuln_103/103.md

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url:https://vuldb.com/?ctiid.351109

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url:https://github.com/wudipjq/my_vuln/blob/main/d-link8/vuln_102/102.md

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url:https://vuldb.com/?submit.769865

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url:https://vuldb.com/?submit.769864

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url:https://vuldb.com/?submit.770363

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url:https://nvd.nist.gov/vuln/detail/cve-2026-4197

Trust: 0.8

sources: JVNDB: JVNDB-2026-008225 // NVD: CVE-2026-4197

SOURCES

db:JVNDBid:JVNDB-2026-008225
db:NVDid:CVE-2026-4197

LAST UPDATE DATE

2026-03-25T22:52:34.412000+00:00


SOURCES UPDATE DATE

db:JVNDBid:JVNDB-2026-008225date:2026-03-24T05:37:00
db:NVDid:CVE-2026-4197date:2026-03-19T14:22:36.180

SOURCES RELEASE DATE

db:JVNDBid:JVNDB-2026-008225date:2026-03-24T00:00:00
db:NVDid:CVE-2026-4197date:2026-03-16T14:20:04.023