SECURELYN

CVE-2026-4197

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.

Scores

2.1
CVSS 2.1 out of 10, low severity.
24.5%
EPSS 24.5% chance of exploitation in the next 30 days.

The facts

Published
16 March 2026
Last changed
17 June 2026
NVD status
Analyzed
Severity
Low, CVSS 2.1 out of 10 (version 4.0)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R…
Weakness
Affects
  • dlink dnr-202l firmware
  • dlink dnr-326 firmware
  • dlink dns-1100-4 firmware
  • dlink dns-120 firmware
  • dlink dns-1200-05 firmware
Known exploited
Not in the CISA Known Exploited Vulnerabilities catalogue in this build.
EPSS
24.5% chance of exploitation activity in the next 30 days (percentile 98).

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References