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 issue affects the function UPnP_AV_Server_Path_Setting of the file /cgi-bin/app_mgr.cgi. Executing a manipulation can lead to stack-based buffer overflow. The attack may be launched remotely. The exploit has been published and may be used.
CVSS Metrics
- Vector
- CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- Attack Vector
- network
- Complexity
- low
- Privileges
- low
- User Action
- none
- Confidentiality
- undefined
- Integrity
- undefined
- Availability
- undefined
- Weaknesses
- CWE-119CWE-121CWE-787
Metadata
- Primary Vendor
- DLINK
- Published
- 3/16/2026
- Last Modified
- 3/19/2026
- Source
- NIST NVD
- Note: Verify all details with official vendor sources before applying patches.
Affected Products
dlink : dnr-202l_firmwaredlink : dnr-326_firmwaredlink : dns-1100-4_firmwaredlink : dns-120_firmwaredlink : dns-1200-05_firmwaredlink : dns-1550-04_firmwaredlink : dns-315l_firmwaredlink : dns-320_firmwaredlink : dns-320l_firmwaredlink : dns-320lw_firmwaredlink : dns-321_firmwaredlink : dns-322l_firmwaredlink : dns-323_firmwaredlink : dns-325_firmwaredlink : dns-326_firmwaredlink : dns-327l_firmwaredlink : dns-340l_firmwaredlink : dns-343_firmwaredlink : dns-345_firmwaredlink : dns-726-4_firmware
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