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Findings

Vulnerability · CVE-2025-14528

D-Link dir-803_firmware Exposure of Sensitive Information to an Unauthorized Actor

Published Feb 20, 2026 · corrected/updated Feb 20, 2026 · D-Link dir-803_firmware · evidence confidence very high

A vulnerability was detected in D-Link DIR-803 up to 1.04. Impacted is an unknown function of the file /getcfg.php of the component Configuration Handler. The manipulation of the argument AUTHORIZED_GROUP results in information disclosure. The attack may be performed from remote. The exploit is now public and may be used. This vulnerability only affects products that are no longer supported by the maintainer.

Grounded briefings

Catalog interpretations for three audiences. Each brief cites ingested metadata and the original advisories below. They are not independent research and they do not invent exploit steps.

Executive

CVE-2025-14528 is a unknown public vulnerability record for D-Link dir-803_firmware. CISA lists it as known exploited. Published remediation guidance: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable. This summary is a catalog interpretation of the ingested metadata and cites the original advisories below.

System administrator

Identify whether D-Link dir-803_firmware is in your estate, then compare installed versions with the affected ranges. Affected packages or ranges on record: D-Link dir-803_firmware. Published remediation guidance: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable. Prefer the vendor or distribution advisory linked in Sources before changing production systems. This is a catalog interpretation, not a runbook.

Security analyst

Signals on file: no CVSS/EPSS yet. CISA lists it as known exploited. Sources contributing to this record: vulncheck_kev. Public exploit references, when present, are outbound links only and are not proof of active exploitation. This is a catalog interpretation of stored metadata.

Exploitation and remediation

  • Exploitation evidence

    Confirmed in CISA KEV since Feb 20, 2026. Listed in CISA KEV and VulnCheck KEV.

  • Patch and remediation

    Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

  • Safe detection guidance

    Compare installed versions with the affected ranges below and verify the advisory from the original publisher. This site stores metadata and outbound links only; it does not ship exploit code or proof-of-concept payloads.

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. Feb 20, 2026 · VulnCheck KEV

    Detected

    A vulnerability was detected in D-Link DIR-803 up to 1.04. Impacted is an unknown function of the file /getcfg.php of the component Configuration Handler. The manipulation of the argument AUTHORIZED_GROUP results in information disclosure. The attack may be performed from remote. The exploit is now public and may be used. This vulnerability only affects products that are no longer supported by the

  2. Feb 20, 2026 · CISA KEV

    Known exploited

    Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

Affected

  • vendor D-Link dir-803_firmwareversion unspecified

Sources

  • VulnCheck KEVConfirmed exploitationCVE-2025-14528

    A vulnerability was detected in D-Link DIR-803 up to 1.04. Impacted is an unknown function of the file /getcfg.php of the component Configuration Handler. The manipulation of the argument AUTHORIZED_GROUP results in information disclosure. The attack may be performed from remote.

    vulncheck.com

References