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ID

VAR-202603-1781


CVE

CVE-2026-4197


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.

Trust: 1.0

sources: NVD: CVE-2026-4197

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

Trust: 1.0

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

Trust: 1.0

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

Trust: 1.0

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

Trust: 1.0

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

Trust: 1.0

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

Trust: 1.0

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

Trust: 1.0

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

Trust: 1.0

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

Trust: 1.0

sources: NVD: CVE-2026-4197

CVSS

SEVERITY

CVSSV2

CVSSV3

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

Trust: 1.0

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

Trust: 1.0

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

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

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

PROBLEMTYPE DATA

problemtype:CWE-77

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problemtype:CWE-74

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sources: NVD: CVE-2026-4197

EXTERNAL IDS

db:VULDBid:351109

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db:NVDid:CVE-2026-4197

Trust: 1.0

sources: NVD: CVE-2026-4197

REFERENCES

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

Trust: 1.0

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

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

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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

Trust: 1.0

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

Trust: 1.0

sources: NVD: CVE-2026-4197

SOURCES

db:NVDid:CVE-2026-4197

LAST UPDATE DATE

2026-03-19T23:43:14.887000+00:00


SOURCES UPDATE DATE

db:NVDid:CVE-2026-4197date:2026-03-19T14:22:36.180

SOURCES RELEASE DATE

db:NVDid:CVE-2026-4197date:2026-03-16T14:20:04.023