CVE-2026-7026

D-Link DGS-3420 System Information Settings cross site scripting

Assigner: VulDB
Reserved: 25.04.2026 Published: 26.04.2026 Updated: 26.04.2026

A vulnerability was determined in D-Link DGS-3420 1.50.018. This issue affects some unknown processing of the component System Information Settings Page. This manipulation of the argument System Name causes cross site scripting. Remote exploitation of the attack is possible. The exploit has been publicly disclosed and may be utilized.

Metrics

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:P
CVSS Score: 6.8

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	None	Confidentiality	None
Attack Complexity	Low	Integrity	High	Integrity	None
Attack Requirements	None	Availability	None	Availability	None
Privileges Required	High
User Interaction	Passive

CVSS 4.0

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:H/A:N/E:P/RL:X/RC:R
CVSS Score: 4.5

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	None
Privileges Required	High	Integrity Impact	High
User Interaction	Required	Availability Impact	None

CVSS 3.1

CVSS Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:H/A:N/E:P/RL:X/RC:R
CVSS Score: 4.5

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	None
Privileges Required	High	Integrity Impact	High
User Interaction	Required	Availability Impact	None

CVSS 3.0

CVSS Vector: AV:N/AC:L/Au:M/C:N/I:C/A:N/E:POC/RL:ND/RC:UR
CVSS Score: 6.1

Access Vector	Network	Confidentiality Impact	None
Access Complexity	Low	Integrity Impact	Complete
Authentication	Multiple	Availability Impact	None

CVSS 2.0

Product Status

Vendor	D-Link
Product	DGS-3420
Versions	Version 1.50.018 is affected

Vendor

D-Link

Product

DGS-3420

Versions

Version 1.50.018 is affected

Credits

Fergod (VulDB User) reporter
VulDB Vulnerability Moderation Team coordinator

References

Problem Types