cbcvebase.
CVE-2026-5312
published 2026-04-01

CVE-2026-5312: A weakness has been identified 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…

PriorityP434medium5.3CVSS 3.1
AVNACLPRNUINSUCNINAL
EPSS
0.54%
41.9th percentile
A weakness has been identified 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 by this vulnerability is the function FMT_restart/Status_HDInfo/SMART_List/ScanDisk_info/ScanDisk/volume_status/Get_Volume_Mapping/FMT_check_disk_remount_state/FMT_rebuildinfo/FMT_result_list/FMT_result_list_phy/FMT_get_dminfo/FMT_manually_rebuild_info/Get_current_raidtype of the file /cgi-bin/dsk_mgr.cgi. Executing a manipulation can lead to improper access controls. It is possible to launch the attack remotely. The exploit has been made available to the public and could be used for attacks.

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

nvdv3.15.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
nvdv4.05.5MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/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
nvdv2.05.0MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.