Medium severity · published Apr 1, 2026
CVE-2026-5312
D-Link DNS-1550-04 dsk_mgr.cgi Get_current_raidtype access control
5.3
CVSS
0.5%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 45% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DN
DNR-202L · D-Link
20260205 · source: vendor
DN
DNR-322L · D-Link
20260205 · source: vendor
DN
DNR-326 · D-Link
20260205 · source: vendor
DN
DNS-1100-4 · D-Link
20260205 · source: vendor
DN
DNS-120 · D-Link
20260205 · source: vendor
DN
DNS-1200-05 · D-Link
20260205 · source: vendor
DN
DNS-1550-04 · D-Link
20260205 · source: vendor
DN
DNS-315L · D-Link
20260205 · source: vendor
DN
DNS-320 · D-Link
20260205 · source: vendor
DN
DNS-320L · D-Link
20260205 · source: vendor
DN
DNS-320LW · D-Link
20260205 · source: vendor
DN
DNS-321 · D-Link
20260205 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-5312
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-5312
Exploit
https://github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_172/172.md
Exploit
https://github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_173/173.md
Third Party Advisory
https://vuldb.com/submit/780442
Third Party Advisory
https://vuldb.com/submit/780443
Third Party Advisory
https://vuldb.com/vuln/354641
Permissions Required
https://vuldb.com/vuln/354641/cti
More from DNR-202L
9.8
CVE-2026-4214
D-Link DNS-1550-04 app_mgr.cgi UPnP_AV_Server_Path_Setting stack-based overflow
9.8
CVE-2026-4213
D-Link DNS-1550-04 gui_mgr.cgi cgi_myfavorite_verify stack-based overflow
9.8
CVE-2026-4212
D-Link DNS-1550-04 download_mgr.cgi Downloads_Schedule_Info stack-based overflow
9.8
CVE-2026-4211
D-Link DNS-1550-04 local_backup_mgr.cgi Local_Backup_Info stack-based overflow
9.8
CVE-2026-4210
D-Link DNS-1550-04 time_machine.cgi cgi_tm_set_share command injection
