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Vulnerabilities

Vulnerability · CVE-2020-15893

D-Link dir-816l_firmware Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Published Nov 6, 2020 · catalog updated Nov 6, 2020 · D-Link dir-816l_firmware

Severity
Unknown—
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
20.9%
Remediation
Remediation guidance
Affected products
vendor D-Link dir-816l_firmware

An issue was discovered on D-Link DIR-816L devices 2.x before 1.10b04Beta02. Universal Plug and Play (UPnP) is enabled by default on port 1900. An attacker can perform command injection by injecting a payload into the Search Target (ST) field of the SSDP M-SEARCH discover packet.

Technical analysis

Mechanism and impact are interpreted from ingested advisories — not independent exploit research.

  • CWE classification

    No CWE identifiers stored yet.

  • Prerequisites and impact

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

How to fix CVE-2020-15893

What to do

Three reads of the same public record: the decision, the versions on file, and the signals. Confirm the vendor advisory before you patch. This page does not publish exploit steps.

Executive

Treat this as an active risk. CVE-2020-15893 is a unscored issue in D-Link dir-816l_firmware (Unscored severity). CISA lists it as known exploited since Nov 6, 2020. Next step: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

System administrator

Check whether D-Link dir-816l_firmware is installed. Ranges on record: D-Link dir-816l_firmware. Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

Security analyst

Unscored severity. EPSS 20.9%. CISA lists it as known exploited since Nov 6, 2020. Weaknesses: not classified. Sources: cve_org, epss, vulncheck_kev. Exploit links, when listed below, point at the original publisher.

Related intelligence

  • Exploitation evidence

    Confirmed in CISA KEV since Nov 6, 2020. Listed in CISA KEV and VulnCheck KEV.

  • 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. Nov 6, 2020 · VulnCheck KEV

    Detected

    An issue was discovered on D-Link DIR-816L devices 2.x before 1.10b04Beta02. Universal Plug and Play (UPnP) is enabled by default on port 1900. An attacker can perform command injection by injecting a payload into the Search Target (ST) field of the SSDP M-SEARCH discover packet.

  2. Nov 6, 2020 · CISA KEV

    Known exploited

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

Affected versions

Enter an installed version to get a verified affected / not-affected result against the ranges below.

  • vendor D-Link dir-816l_firmwareversion unspecified

Sources

  • CVE.orgVulnerability recordCVE-2020-15893

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2020-15893

    30-day exploitation probability 20.9%

    first.org
  • VulnCheck KEVConfirmed exploitationCVE-2020-15893

    An issue was discovered on D-Link DIR-816L devices 2.x before 1.10b04Beta02. Universal Plug and Play (UPnP) is enabled by default on port 1900. An attacker can perform command injection by injecting a payload into the Search Target (ST) field of the SSDP M-SEARCH discover packet.

    vulncheck.com

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.