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
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
Probability:
Percentile:
Meta Information
Published
2026-04-01
Last Modified
2026-04-07
Generated
2026-06-16
AI Q&A
2026-04-02
EPSS Evaluated
2026-06-15
NVD
CVE-2026-5312
Affected Vendors & Products
Showing 20 associated CPEs
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
CWE Icon
KEV
KEV Icon
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 Quick Actions
Instant insights powered by AI
Executive Summary

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.

Impact Analysis

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.

Chat Assistant
Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-5312. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70
EPSS Chart