Vulnerabilities

Vulnerability · CVE-2026-7026

A vulnerability was determined in D-Link DGS-3420 1.50.018.

Published Apr 26, 2026 · catalog updated Jun 17, 2026 · dgs-3420-28tc firmware

Check if you run it

No confirmed exploitation is on record for CVE-2026-7026. EPSS is 1.28%. Act only if a listed version of dgs-3420-28tc firmware is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium5.4
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
1.28%
Remediation
Advisory link
Affected products
cpe dlink/dgs-3420-28tc firmware

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe dlink/dgs-3420-28tc firmware1.50.018

How to fix CVE-2026-7026

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-7026. EPSS is 1.28%. Act only if a listed version of dgs-3420-28tc firmware is installed.

Which versions are affected?

Compare what you have installed with dlink/dgs-3420-28tc firmware 1.50.018. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-79: Cross-site Scripting (XSS); CWE-94: Code Injection. EPSS 1.28%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Apr 26, 2026 · NIST NVD

    Detected

    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.

  2. Jun 17, 2026 · NIST NVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2026-7026

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-7026

    30-day exploitation probability 1.3%

    first.org
  • NIST NVDVulnerability recordCVE-2026-7026

    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

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.