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Vulnerabilities

Vulnerability · CVE-2018-10823

D-Link dwr-116_firmware Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Published Jan 14, 2021 · catalog updated Jan 14, 2021 · D-Link dwr-116_firmware

Severity
Unknown—
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
77.7%
Remediation
Remediation guidance
Affected products
vendor D-Link dwr-116_firmware

An issue was discovered on D-Link DWR-116 through 1.06, DWR-512 through 2.02, DWR-712 through 2.02, DWR-912 through 2.02, DWR-921 through 2.02, and DWR-111 through 1.01 devices. An authenticated attacker may execute arbitrary code by injecting the shell command into the chkisg.htm page Sip parameter. This allows for full control over the device internals.

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-2018-10823

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-2018-10823 is a unscored issue in D-Link dwr-116_firmware (Unscored severity). CISA lists it as known exploited since Jan 14, 2021. 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 dwr-116_firmware is installed. Ranges on record: D-Link dwr-116_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 77.7%. CISA lists it as known exploited since Jan 14, 2021. 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 Jan 14, 2021. 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. Jan 14, 2021 · VulnCheck KEV

    Detected

    An issue was discovered on D-Link DWR-116 through 1.06, DWR-512 through 2.02, DWR-712 through 2.02, DWR-912 through 2.02, DWR-921 through 2.02, and DWR-111 through 1.01 devices. An authenticated attacker may execute arbitrary code by injecting the shell command into the chkisg.htm page Sip parameter. This allows for full control over the device internals.

  2. Jan 14, 2021 · 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 dwr-116_firmwareversion unspecified

Sources

  • CVE.orgVulnerability recordCVE-2018-10823

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2018-10823

    30-day exploitation probability 77.7%

    first.org
  • VulnCheck KEVConfirmed exploitationCVE-2018-10823

    An issue was discovered on D-Link DWR-116 through 1.06, DWR-512 through 2.02, DWR-712 through 2.02, DWR-912 through 2.02, DWR-921 through 2.02, and DWR-111 through 1.01 devices. An authenticated attacker may execute arbitrary code by injecting the shell command into the chkisg.ht

    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.