CVE Tools
Sign in

CVE-2026-4207

D-Link DNS-1550-04 system_mgr.cgi cgi_ntp_time command injection

Published: Mar 16, 2026Updated: Apr 29, 2026 Sources: CVE List NVDCWE-74
NVD MITRE
6.3CVSSMEDIUM
EPSS Score
3.8%
Top 11.5%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

Description

A vulnerability was determined 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. This impacts the function cgi_device/cgi_sms_test/cgi_firmware_upload/cgi_ntp_time of the file /cgi-bin/system_mgr.cgi. Executing a manipulation can lead to command injection. The attack may be performed from remote. The exploit has been publicly disclosed and may be utilized.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:LI:LA:L
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:LAvailability
Low
Open in CVSS calculator →

Weaknesses

CWE-74CWE-77

Affected Products

dnr-202l firmwaredlinkNetworking Infrastructure
dnr-326 firmwaredlinkNetworking Infrastructure
dns-1100-4 firmwaredlinkNetworking Infrastructure
dns-120 firmwaredlinkNetworking Infrastructure
dns-1200-05 firmwaredlinkNetworking Infrastructure
dlinkcommercialTWNetworking Infrastructure
and 35 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

MITRE ATT&CK

2 techniques
Execution
Initial Access
View detailed technique mapping

References

https://github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_141/141.md
github.com
https://github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_142/142.md
github.com
https://vuldb.com/?ctiid.351119
vuldb.com
and 6 more references View all →

Timeline

Published
Mar 16, 2026
Last Updated
Apr 29, 2026

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2026-4207 and every CVE in our database. Create a free account — no credit card required.

Create Free Account
Plain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows