CVE-2026-5211
Published: Mar 31, 2026
Modified: Apr 1, 2026
CVSS v3.1
8.8
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.
| Vendor | Product | Versions |
|---|---|---|
D-Link | DNS-120 | affected 20260205 |
D-Link | DNR-202L | affected 20260205 |
D-Link | DNS-315L | affected 20260205 |
D-Link | DNS-320 | affected 20260205 |
D-Link | DNS-320L | affected 20260205 |
D-Link | DNS-320LW | affected 20260205 |
D-Link | DNS-321 | affected 20260205 |
D-Link | DNR-322L | affected 20260205 |
D-Link | DNS-323 | affected 20260205 |
D-Link | DNS-325 | affected 20260205 |
D-Link | DNS-326 | affected 20260205 |
D-Link | DNS-327L | affected 20260205 |
D-Link | DNR-326 | affected 20260205 |
D-Link | DNS-340L | affected 20260205 |
D-Link | DNS-343 | affected 20260205 |
D-Link | DNS-345 | affected 20260205 |
D-Link | DNS-726-4 | affected 20260205 |
D-Link | DNS-1100-4 | affected 20260205 |
D-Link | DNS-1200-05 | affected 20260205 |
D-Link | DNS-1550-04 | affected 20260205 |
CVSS v3.1 Details
CVSS v3.1 Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
References
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