Description
A vulnerability has been found 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. This issue affects the function Webdav_Upload_File of the file /cgi-bin/webdav_mgr.cgi. The manipulation of the argument f_file leads to stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been disclosed to the public and may be used.
Problem types
Product status
Timeline
| 2026-03-31: | Advisory disclosed |
| 2026-03-31: | VulDB entry created |
| 2026-03-31: | VulDB entry last update |
Credits
Ziyue Xie (VulDB User)
References
vuldb.com/vuln/354348 (VDB-354348 | D-Link DNS-1550-04 webdav_mgr.cgi Webdav_Upload_File stack-based overflow)
vuldb.com/vuln/354348/cti (VDB-354348 | CTI Indicators (IOB, IOC, IOA))
vuldb.com/submit/780435 (Submit #780435 | 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 Stack-based Buffer Overflow)
vuldb.com/submit/780436 (Submit #780436 | 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 Stack-based Buffer Overflow (Duplicate))
github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_166/166.md
www.dlink.com/