Description
A security flaw has been discovered 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 is the function Webdav_Access_List of the file /cgi-bin/file_center.cgi. Performing a manipulation of the argument cmd results in improper access controls. It is possible to initiate the attack remotely. The exploit has been released to the public and may be used for attacks.
Problem types
Incorrect Privilege Assignment
Product status
Timeline
| 2026-04-01: | Advisory disclosed |
| 2026-04-01: | VulDB entry created |
| 2026-04-01: | VulDB entry last update |
Credits
Ziyue Xie (VulDB User)
References
vuldb.com/vuln/354640 (VDB-354640 | D-Link DNS-1550-04 file_center.cgi Webdav_Access_List access control)
vuldb.com/vuln/354640/cti (VDB-354640 | CTI Indicators (IOB, IOC, TTP, IOA))
vuldb.com/submit/780441 (Submit #780441 | D-Link DNS-120/202L/315L/320/320L/320LW/321/322L/323/325/326/327L/326/340L/343/345/726-4/1100-4/1200-05/1550-04 up to 20260205 Improper Access Controls)
github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_171/171.md
www.dlink.com/