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CVE-2026-5211
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…
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Dlink | Dnr-202l Firmware | through 2026-02-05 |
| Dlink | Dnr-326 Firmware | through 2026-02-05 |
| Dlink | Dns-1100-4 Firmware | through 2026-02-05 |
| Dlink | Dns-120 Firmware | through 2026-02-05 |
| Dlink | Dns-1200-05 Firmware | through 2026-02-05 |
| Dlink | Dns-1550-04 Firmware | through 2026-02-05 |
| Dlink | Dns-315l Firmware | through 2026-02-05 |
| Dlink | Dns-320 Firmware | through 2026-02-05 |
| Dlink | Dns-320l Firmware | through 2026-02-05 |
| Dlink | Dns-320lw Firmware | through 2026-02-05 |
| Dlink | Dns-321 Firmware | through 2026-02-05 |
| Dlink | Dns-322l Firmware | through 2026-02-05 |