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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| D-Link | DNS-120 | 20260205 | — |
| D-Link | DNR-202L | 20260205 | — |
| D-Link | DNS-315L | 20260205 | — |
| D-Link | DNS-320 | 20260205 | — |
| D-Link | DNS-320L | 20260205 | — |
| D-Link | DNS-320LW | 20260205 | — |
| D-Link | DNS-321 | 20260205 | — |
| D-Link | DNR-322L | 20260205 | — |
| D-Link | DNS-323 | 20260205 | — |
| D-Link | DNS-325 | 20260205 | — |
| D-Link | DNS-326 | 20260205 | — |
| D-Link | DNS-327L | 20260205 | — |
| D-Link | DNR-326 | 20260205 | — |
| D-Link | DNS-340L | 20260205 | — |
| D-Link | DNS-343 | 20260205 | — |
| D-Link | DNS-345 | 20260205 | — |
| D-Link | DNS-726-4 | 20260205 | — |
| D-Link | DNS-1100-4 | 20260205 | — |
| D-Link | DNS-1200-05 | 20260205 | — |
| D-Link | DNS-1550-04 | 20260205 | — |
References
- VDB-354640 | D-Link DNS-1550-04 file_center.cgi Webdav_Access_List access control vdb-entry technical-description
- VDB-354640 | CTI Indicators (IOB, IOC, TTP, IOA) signature permissions-required
- 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 third-party-advisory
- https://github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_171/171.md exploit
- https://www.dlink.com/ product