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Vulnerabilities

Vulnerability · CVE-2011-5010

Ctek SkyRouter 4200 and 4300 apps/a3/cfg_ethping.cgi Arbitrary Command Execution

Published Dec 1, 2020 · catalog updated Dec 1, 2020 · Ctek SkyRouter 4200 and

Patch now

CVE-2011-5010 is in the CISA known-exploited catalog. Confirm Ctek SkyRouter 4200 and against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (Ctek SkyRouter 4200 and).
  • No version range is stored. A customer cannot check an installed version against this record.
Severity
Unknown—
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
65.72%
Remediation
Remediation guidance
Affected products
vendor ctekproducts skyrouter

apps/a3/cfg_ethping.cgi in the Ctek SkyRouter 4200 and 4300 allows remote attackers to execute arbitrary commands via shell metacharacters in the PINGADDRESS parameter for a "u" action.

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.

  • vendor ctekproducts skyrouterversion unspecified

How to fix CVE-2011-5010

What to do

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

Should you patch?

CVE-2011-5010 is in the CISA known-exploited catalog. Confirm Ctek SkyRouter 4200 and against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Affected version ranges are not on this record. Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

What should an analyst verify?

No weakness class is stored. EPSS 65.72%. 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.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Dec 1, 2020 · VulnCheck KEV

    Detected

    apps/a3/cfg_ethping.cgi in the Ctek SkyRouter 4200 and 4300 allows remote attackers to execute arbitrary commands via shell metacharacters in the PINGADDRESS parameter for a "u" action.

  2. Dec 1, 2020 · CISA KEV

    Known exploited

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

Sources

  • CVE.orgVulnerability recordCVE-2011-5010

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2011-5010

    30-day exploitation probability 65.7%

    first.org
  • VulnCheck KEVConfirmed exploitationCVE-2011-5010

    apps/a3/cfg_ethping.cgi in the Ctek SkyRouter 4200 and 4300 allows remote attackers to execute arbitrary commands via shell metacharacters in the PINGADDRESS parameter for a "u" action.

    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.