CVE-2026-16448 D-Link DNS-1550-04 remote_backup.cgi cgi_check_rsync_rw command injection
Remote attackers can execute arbitrary commands via the ip argument in remote_backup.cgi on affected D-Link NAS devices.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-16448?
CVE-2026-16448 is a medium-severity command injection vulnerability in D-Link DNR-202L, published on 21 Jul 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Which versions are affected by CVE-2026-16448?
How do I fix CVE-2026-16448?
No fix has been published for CVE-2026-16448 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2026-16448 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-16448 exists.
Sources
Also known as GHSA-pcrj-7rmr-mcxc.