CVE-2026-16448 | A vulnerability was found in D-Link DNS-120, DNR-202L, DNS-3… | CVSS 6.3 MEDIUM

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.

Metadata

CVE ID: CVE-2026-16448
State: PUBLISHED
Assigner: VulDB
Reserved: 2026-07-21 08:49 UTC
Published: 2026-07-21 14:15 UTC
Last updated: 2026-07-21 14:55 UTC
Primary CWE: CWE-77
Command Injection
Vendor / Product: D-Link / DNS-120
Sources: cve.org · NVD

Severity & Metrics

6.3 MEDIUM CVSS 3.1

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

SSVC — CISA Coordinator

Exploitation: PoC
Automatable: no
Tech. Impact: partial

Affected products (20)

Vendor	Product	Platform	Versions
D-Link	DNR-202L	—	20260205
D-Link	DNR-322L	—	20260205
D-Link	DNR-326	—	20260205
D-Link	DNS-1100-4	—	20260205
D-Link	DNS-120	—	20260205
D-Link	DNS-1200-05	—	20260205
D-Link	DNS-1550-04	—	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	DNS-323	—	20260205
D-Link	DNS-325	—	20260205
D-Link	DNS-326	—	20260205
D-Link	DNS-327L	—	20260205
D-Link	DNS-340L	—	20260205
D-Link	DNS-343	—	20260205
D-Link	DNS-345	—	20260205
D-Link	DNS-726-4	—	20260205

Weakness (CWE)

CWE	Source	Description
CWE-74	cna	Injection
CWE-77	cna	Command Injection

CVSS scores (4)

Score	Severity	Version	Source	Vector
6.5	N/D	2.0	cna	AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR
6.3	MEDIUM	3.1	cna	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
6.3	MEDIUM	3.0	cna	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
5.3	MEDIUM	4.0	cna	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

References (6)

VDB-380827 | D-Link DNS-1550-04 remote_backup.cgi cgi_check_rsync_rw command injection https://vuldb.com/vuln/380827
VDB-380827 | CTI Indicators (IOB, IOC, TTP, IOA) https://vuldb.com/vuln/380827/cti
CVE-2026-16448 | CVE Analysis and Report https://vuldb.com/cve/CVE-2026-16448
Submit #858469 | D-Link (Shanghai)Limited Corp. D-Link DNS-120 affected at 20260205 CWE-77 (Command Injection) https://vuldb.com/submit/858469
https://ucn9h68n9289.feishu.cn/docx/OfhNdwzvXoBlJBxDIW7clVmjnuh?from=from_copylink
https://www.dlink.com/