CVE-2026-5312
Received
Received - Intake
Improper Access Control in D-Link dsk_mgr.cgi Allows Remote Exploit
Publication date: 2026-04-01
Last updated on: 2026-04-07
Assigner: VulDB
Description
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.
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| dlink | dns-1550-04_firmware | to 2026-02-05 (inc) |
| dlink | dns-315l_firmware | to 2026-02-05 (inc) |
| dlink | dns-320_firmware | to 2026-02-05 (inc) |
| dlink | dns-320l_firmware | to 2026-02-05 (inc) |
| dlink | dns-320lw_firmware | to 2026-02-05 (inc) |
| dlink | dns-321_firmware | to 2026-02-05 (inc) |
| dlink | dns-322l_firmware | to 2026-02-05 (inc) |
| dlink | dns-323_firmware | to 2026-02-05 (inc) |
| dlink | dns-325_firmware | to 2026-02-05 (inc) |
| dlink | dns-326_firmware | to 2026-02-05 (inc) |
| dlink | dns-327l_firmware | to 2026-02-05 (inc) |
| dlink | dns-340l_firmware | to 2026-02-05 (inc) |
| dlink | dns-343_firmware | to 2026-02-05 (inc) |
| dlink | dns-345_firmware | to 2026-02-05 (inc) |
| dlink | dns-726-4_firmware | to 2026-02-05 (inc) |
| dlink | dnr-202l_firmware | to 2026-02-05 (inc) |
| dlink | dnr-326_firmware | to 2026-02-05 (inc) |
| dlink | dns-1100-4_firmware | to 2026-02-05 (inc) |
| dlink | dns-120_firmware | to 2026-02-05 (inc) |
| dlink | dns-1200-05_firmware | to 2026-02-05 (inc) |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-266 | A product incorrectly assigns a privilege to a particular actor, creating an unintended sphere of control for that actor. |
| CWE-284 | The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability affects multiple D-Link devices and involves a weakness in several functions within the file /cgi-bin/dsk_mgr.cgi. The issue allows for improper access controls to be bypassed through remote manipulation, potentially enabling unauthorized actions on the affected devices.
How can this vulnerability impact me? :
The vulnerability can be exploited remotely to bypass access controls, which may lead to unauthorized actions or disruptions on the affected D-Link devices. This could impact the availability or integrity of the device's functions.
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