CVE-2026-5212
published 2026-03-31CVE-2026-5212: 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…
high7.4CVSS 4.0
AVNACLATNPRLUINVCHVIHVAHSCNSINSANEPCRXIRXARXMAVXMACXMATXMPRXMUIXMVCXMVIXMVAXMSCXMSIXMSAXSXAUXRXVXREXUX
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.
Affected
40 ranges· showing 25
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| d-link | dnr-202l | — | — |
| d-link | dnr-322l | — | — |
| d-link | dnr-326 | — | — |
| d-link | dns-1100-4 | — | — |
| d-link | dns-120 | — | — |
| d-link | dns-1200-05 | — | — |
| d-link | dns-1550-04 | — | — |
| d-link | dns-315l | — | — |
| d-link | dns-320 | — | — |
| d-link | dns-320l | — | — |
| d-link | dns-320lw | — | — |
| d-link | dns-321 | — | — |
| d-link | dns-323 | — | — |
| d-link | dns-325 | — | — |
| d-link | dns-326 | — | — |
| d-link | dns-327l | — | — |
| d-link | dns-340l | — | — |
| d-link | dns-343 | — | — |
| d-link | dns-345 | — | — |
| d-link | dns-726-4 | — | — |
| dlink | dnr-202l_firmware | <= 2026-02-05 | — |
| dlink | dnr-326_firmware | <= 2026-02-05 | — |
| dlink | dns-1100-4_firmware | <= 2026-02-05 | — |
| dlink | dns-1200-05_firmware | <= 2026-02-05 | — |
| dlink | dns-120_firmware | <= 2026-02-05 | — |