Description
A vulnerability was 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. The affected element is the function cgi_check_rsync_rw of the file /cgi-bin/remote_backup.cgi. The manipulation of the argument ip results in command injection. The attack can be executed remotely. The exploit has been made public and could be used.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| D-Link | DNS-120 | 20260205 | — |
| D-Link | DNR-202L | 20260205 | — |
| D-Link | DNS-315L | 20260205 | — |
| D-Link | DNS-320 | 20260205 | — |
| D-Link | DNS-320L | 20260205 | — |
| D-Link | DNS-320LW | 20260205 | — |
| D-Link | DNS-321 | 20260205 | — |
| D-Link | DNR-322L | 20260205 | — |
| D-Link | DNS-323 | 20260205 | — |
| D-Link | DNS-325 | 20260205 | — |
| D-Link | DNS-326 | 20260205 | — |
| D-Link | DNS-327L | 20260205 | — |
| D-Link | DNR-326 | 20260205 | — |
| D-Link | DNS-340L | 20260205 | — |
| D-Link | DNS-343 | 20260205 | — |
| D-Link | DNS-345 | 20260205 | — |
| D-Link | DNS-726-4 | 20260205 | — |
| D-Link | DNS-1100-4 | 20260205 | — |
| D-Link | DNS-1200-05 | 20260205 | — |
| D-Link | DNS-1550-04 | 20260205 | — |
References
- VDB-380827 | D-Link DNS-1550-04 remote_backup.cgi cgi_check_rsync_rw command injection vdb-entry technical-description
- VDB-380827 | CTI Indicators (IOB, IOC, TTP, IOA) signature permissions-required
- CVE-2026-16448 | CVE Analysis and Report third-party-advisory
- Submit #858469 | D-Link (Shanghai)Limited Corp. D-Link DNS-120 affected at 20260205 CWE-77 (Command Injection) third-party-advisory
- https://ucn9h68n9289.feishu.cn/docx/OfhNdwzvXoBlJBxDIW7clVmjnuh?from=from_copylink exploit
- https://www.dlink.com/ product