Medium severity · published Jul 21, 2026
CVE-2026-16448
D-Link DNS-1550-04 remote_backup.cgi cgi_check_rsync_rw command injection
6.3
CVSS
1.9%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.9% · higher than 80% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DN
DNR-202L · D-Link
20260205 · source: vendor
DN
DNR-322L · D-Link
20260205 · source: vendor
DN
DNR-326 · D-Link
20260205 · source: vendor
DN
DNS-1100-4 · D-Link
20260205 · source: vendor
DN
DNS-120 · D-Link
20260205 · source: vendor
DN
DNS-1200-05 · D-Link
20260205 · source: vendor
DN
DNS-1550-04 · D-Link
20260205 · source: vendor
DN
DNS-315L · D-Link
20260205 · source: vendor
DN
DNS-320 · D-Link
20260205 · source: vendor
DN
DNS-320L · D-Link
20260205 · source: vendor
DN
DNS-320LW · D-Link
20260205 · source: vendor
DN
DNS-321 · D-Link
20260205 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-16448
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-16448
ucn9h68n9289.feishu.cn
https://ucn9h68n9289.feishu.cn/docx/OfhNdwzvXoBlJBxDIW7clVmjnuh?from=from_copylink
vuldb.com
https://vuldb.com/cve/CVE-2026-16448
vuldb.com
https://vuldb.com/submit/858469
vuldb.com
https://vuldb.com/vuln/380827
vuldb.com
https://vuldb.com/vuln/380827/cti
www.dlink.com
https://www.dlink.com/
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