Findings

Vulnerability · CVE-2019-20500

D-Link DWL-2600AP Access Point Command Injection Vulnerability

Published Mar 5, 2020 · corrected/updated Jun 16, 2026 · D-Link DWL-2600AP Access Point · evidence confidence very high

D-Link DWL-2600AP 4.2.0.15 Rev A devices have an authenticated OS command injection vulnerability via the Save Configuration functionality in the Web interface, using shell metacharacters in the admin.cgi?action=config_save configBackup or downloadServerip parameter.

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-2019-20500 is a high public vulnerability record for D-Link DWL-2600AP Access Point. CISA lists it as known exploited. Published remediation guidance: Apply updates per vendor instructions or discontinue use of the product if updates are unavailable. This summary is a catalog interpretation of the ingested metadata and cites the original advisories below.

System administrator

Identify whether D-Link DWL-2600AP Access Point is in your estate, then compare installed versions with the affected ranges. Affected packages or ranges on record: dlink/dwl-2600ap firmware; D-Link DWL-2600AP Access Point. Published remediation guidance: Apply updates per vendor instructions or discontinue use of the product if updates 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: CVSS 7.8, EPSS 96.7%. CISA lists it as known exploited. Weakness classes: CWE-78. Sources contributing to this record: cisa_kev, cve_org, epss, exploitdb. 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 Jun 22, 2023. Listed in CISA KEV and VulnCheck KEV.

  • Patch and remediation

    Apply updates per vendor instructions or discontinue use of the product if updates are unavailable. CISA due date Jul 20, 2023.

  • 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. Mar 5, 2020 · Catalog

    Detected

    D-Link DWL-2600AP 4.2.0.15 Rev A devices have an authenticated OS command injection vulnerability via the Save Configuration functionality in the Web interface, using shell metacharacters in the admin.cgi?action=config_save configBackup or downloadServerip parameter.

  2. Jun 29, 2023 · CISA KEV

    Known exploited

    Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.

  3. Jul 20, 2023 · CISA KEV

    Remediation due

    Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.

  4. Jun 16, 2026 · Catalog

    Updated

    D-Link DWL-2600AP 4.2.0.15 Rev A devices have an authenticated OS command injection vulnerability via the Save Configuration functionality in the Web interface, using shell metacharacters in the admin.cgi?action=config_save configBackup or downloadServerip parameter.

Affected

  • cpe dlink/dwl-2600ap firmwareversion unspecified
  • vendor D-Link DWL-2600AP Access Pointversion unspecified

Sources

  • CISA KEVConfirmed exploitationCVE-2019-20500

    D-Link DWL-2600AP access point contains an authenticated command injection vulnerability via the Save Configuration functionality in the Web interface, using shell metacharacters in the admin.cgi?action=config_save configBackup or downloadServerip parameter.

    cisa.gov
  • CVE.orgVulnerability recordCVE-2019-20500

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2019-20500

    30-day exploitation probability 96.7%

    first.org
  • Exploit DatabasePublic exploit reference46841

    Public archive entry. The exploit body is not stored here.

    exploit-db.com
  • NIST NVDVulnerability recordCVE-2019-20500

    D-Link DWL-2600AP 4.2.0.15 Rev A devices have an authenticated OS command injection vulnerability via the Save Configuration functionality in the Web interface, using shell metacharacters in the admin.cgi?action=config_save configBackup or downloadServerip parameter.

    nvd.nist.gov
  • VulnCheck KEVConfirmed exploitationCVE-2019-20500

    D-Link DWL-2600AP access point contains an authenticated command injection vulnerability via the Save Configuration functionality in the Web interface, using shell metacharacters in the admin.cgi?action=config_save configBackup or downloadServerip parameter.

    vulncheck.com

References