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Vulnerabilities

Vulnerability · CVE-2022-26258

D-Link DIR-820L Remote Code Execution Vulnerability

Published Mar 27, 2022 · catalog updated Jul 9, 2026 · D-Link DIR-820L

Patch now

CVE-2022-26258 is in the CISA known-exploited catalog, due Sep 29, 2022. Confirm D-Link DIR-820L against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Severity
Critical9.8
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
91.63%
Remediation
Remediation guidance
Affected products
cpe dlink/dir-820l firmware · vendor D-Link DIR-820L

D-Link DIR-820L contains an unspecified vulnerability in Device Name parameter in /lan.asp which allows for remote code execution.

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/dir-820l firmware1.05b03
  • vendor D-Link DIR-820Lversion unspecified

How to fix CVE-2022-26258

What to do

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

Should you patch?

CVE-2022-26258 is in the CISA known-exploited catalog, due Sep 29, 2022. Confirm D-Link DIR-820L against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Compare what you have installed with dlink/dir-820l firmware 1.05b03. The impacted product is end-of-life and should be disconnected if still in use.

What should an analyst verify?

CWE-78: OS Command Injection. EPSS 91.63%. The CISA KEV listing is the exploitation evidence. 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.

Timeline

Detection, updates, and resolution for this record.

  1. Mar 27, 2022 · Catalog

    Detected

    D-Link DIR-820L contains an unspecified vulnerability in Device Name parameter in /lan.asp which allows for remote code execution.

  2. Sep 8, 2022 · CISA KEV

    Known exploited

    The impacted product is end-of-life and should be disconnected if still in use.

  3. Sep 29, 2022 · CISA KEV

    Remediation due

    The impacted product is end-of-life and should be disconnected if still in use.

  4. Jul 9, 2026 · Catalog

    Updated

    D-Link DIR-820L contains an unspecified vulnerability in Device Name parameter in /lan.asp which allows for remote code execution.

Sources

  • CISA KEVConfirmed exploitationCVE-2022-26258

    D-Link DIR-820L contains an unspecified vulnerability in Device Name parameter in /lan.asp which allows for remote code execution.

    cisa.gov
  • CVE.orgVulnerability recordCVE-2022-26258

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2022-26258

    30-day exploitation probability 91.6%

    first.org
  • NIST NVDVulnerability recordCVE-2022-26258

    D-Link DIR-820L 1.05B03 was discovered to contain remote command execution (RCE) vulnerability via HTTP POST to get set ccp.

    nvd.nist.gov
  • VulnCheck KEVConfirmed exploitationCVE-2022-26258

    D-Link DIR-820L contains an unspecified vulnerability in Device Name parameter in /lan.asp which allows for remote code execution.

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.