Medium 4.5Published Apr 26, 2026

CVE-2026-7026D-Link DGS-3420 System Information Settings cross site scripting

Updated under an hour ago (Oct 26, 2026, 6:00 PM ET)

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It affects D-Link DGS-3420 and 1 other product. Add what you run to find out whether that includes you.

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Every CVE for D-Link DGS-3420

Exploited in the last 30 days

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.

CVSS: 4.5 MEDIUM (v3.1, CNA)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
Weakness (CWE): CWE-79, CWE-94
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulDB
NVD analysis: Analyzed
Record last updated: Apr 27, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

D-Link DGS-3420 d_link:dgs_3420 (from the name)	1.50.018	CNA record
dlink dgs-3420-28tc_firmware dlink:dgs-3420-28tc_firmware	1.50.018	NVD

References

References

https://vuldb.com/vuln/359606	vdb-entry, technical-description, third-party-advisory
https://vuldb.com/vuln/359606/cti	signature, permissions-required, vdb-entry
https://vuldb.com/submit/797877	third-party-advisory, vdb-entry
https://www.dlink.com/	product

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.