CVE-2026-5312

Medium

Description

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.

SeverityMedium
CVSS5.3
Exploit probability—
ProductDlink Dns-1550-04 Firmware
PublishedApr 1, 2026
First seenApr 1, 2026

How to fix

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

Affected products

ProductAffected versionsFixed in
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—
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—

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