CVE-2026-4197

Medium

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.

SeverityMedium
CVSS6.3
Exploit probability—
ProductDlink Dnr-202l Firmware
PublishedMar 16, 2026
First seenMar 16, 2026

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
dlink dnr-202l_firmwarev ≤ 2026-02-05—
dlink dnr-326_firmwarev ≤ 2026-02-05—
dlink dns-1100-4_firmwarev ≤ 2026-02-05—
dlink dns-120_firmwarev ≤ 2026-02-05—
dlink dns-1200-05_firmwarev ≤ 2026-02-05—
dlink dns-1550-04_firmwarev ≤ 2026-02-05—
dlink dns-315l_firmwarev ≤ 2026-02-05—
dlink dns-320_firmwarev ≤ 2026-02-05—
dlink dns-320l_firmwarev ≤ 2026-02-05—
dlink dns-320lw_firmwarev ≤ 2026-02-05—
dlink dns-321_firmwarev ≤ 2026-02-05—
dlink dns-322l_firmwarev ≤ 2026-02-05—
dlink dns-323_firmwarev ≤ 2026-02-05—
dlink dns-325_firmwarev ≤ 2026-02-05—
dlink dns-326_firmwarev ≤ 2026-02-05—
dlink dns-327l_firmwarev ≤ 2026-02-05—
dlink dns-340l_firmwarev ≤ 2026-02-05—
dlink dns-343_firmwarev ≤ 2026-02-05—
dlink dns-345_firmwarev ≤ 2026-02-05—
dlink dns-726-4_firmwarev ≤ 2026-02-05—

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CVE-2026-4197 · Dlink Dnr-202l Firmware · Dark Radar