CVE-2026-16448: D-Link DNS-1550-04 remote_backup.cgi cgi_check_rsync_rw command injection

Published Jul 21, 2026
·
Updated

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 cgicheckrsyncrw of the file /cgi-bin/remotebackup.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 Software

20 affected components
D-Link DNS-120
D-Link DNR-202L
D-Link DNS-315L
D-Link DNS-320
D-Link DNS-320L
D-Link DNS-320LW
D-Link DNS-321
D-Link DNR-322L
D-Link DNS-323
D-Link DNS-325
D-Link DNS-326
D-Link DNS-327L
D-Link DNR-326
D-Link DNS-340L
D-Link DNS-343
D-Link DNS-345
D-Link DNS-726-4
D-Link DNS-1100-4
D-Link DNS-1200-05
D-Link DNS-1550-04<=20260205

Event History

Jul 21, 2026
CVE Published
via MITRE·02:15 PM
Data Sourced
via MITRE·02:15 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·03:16 PM
DescriptionSeverityWeakness
May 2, 58523
Event
via NVD·06:12 AM
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Frequently Asked Questions

1

What is the severity of CVE-2026-16448?

The severity of CVE-2026-16448 is medium with a score of 6.3.

2

How do I fix CVE-2026-16448?

To mitigate CVE-2026-16448, update the D-Link devices to the latest firmware version released after 20260205.

3

What type of vulnerability is CVE-2026-16448?

CVE-2026-16448 is a command injection vulnerability found in specific D-Link devices.

4

Which devices are affected by CVE-2026-16448?

CVE-2026-16448 affects multiple D-Link models including DNS-120, DNS-315L, and DNS-1550-04.

5

What is the impact of CVE-2026-16448 on affected devices?

The impact of CVE-2026-16448 allows an attacker to execute arbitrary commands on the affected devices.

Contact

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