Description
A flaw 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 vulnerability affects the function UPnP_AV_Server_Path_Del of the file /cgi-bin/app_mgr.cgi. Executing a manipulation of the argument f_dir can lead to stack-based buffer overflow. The attack can be executed remotely. The exploit has been published 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/354347 (VDB-354347 | D-Link DNS-1550-04 app_mgr.cgi UPnP_AV_Server_Path_Del stack-based overflow)
vuldb.com/vuln/354347/cti (VDB-354347 | CTI Indicators (IOB, IOC, IOA))
vuldb.com/submit/780434 (Submit #780434 | 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)
github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_165/165.md
www.dlink.com/