cbcvebase.
CVE-2026-4196
published 2026-03-16

CVE-2026-4196: A vulnerability has been 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…

PriorityP271critical9.8CVSS 3.1
AVNACLPRNUINSUCHIHAH
EPSS
3.74%
88.6th percentile
A vulnerability has been 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. This impacts the function cgi_recovery/cgi_backup_now/cgi_set_schedule/cgi_set_rsync_server of the file /cgi-bin/remote_backup.cgi. The manipulation leads to command injection. The attack is possible to be carried out remotely. The exploit has been disclosed to the public and may be used.

Affected

40 ranges· showing 25
VendorProductVersion rangeFixed in
d-linkdnr-202l——
d-linkdnr-322l——
d-linkdnr-326——
d-linkdns-1100-4——
d-linkdns-120——
d-linkdns-1200-05——
d-linkdns-1550-04——
d-linkdns-315l——
d-linkdns-320——
d-linkdns-320l——
d-linkdns-320lw——
d-linkdns-321——
d-linkdns-323——
d-linkdns-325——
d-linkdns-326——
d-linkdns-327l——
d-linkdns-340l——
d-linkdns-343——
d-linkdns-345——
d-linkdns-726-4——
dlinkdnr-202l_firmware<= 2026-02-05—
dlinkdnr-326_firmware<= 2026-02-05—
dlinkdns-1100-4_firmware<= 2026-02-05—
dlinkdns-1200-05_firmware<= 2026-02-05—
dlinkdns-120_firmware<= 2026-02-05—

CVSS provenance

nvdv3.19.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
nvdv4.02.1LOWCVSS: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:X/V:X/RE:X/U:X
nvdv2.06.5MEDIUMAV:N/AC:L/Au:S/C:P/I:P/A:P
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