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Vulnerabilities

Vulnerability · CVE-2010-5330

Ubiquiti AirOS Command Injection Vulnerability

Published Jun 11, 2019 · catalog updated Jun 16, 2026 · Ubiquiti AirOS

Patch now

CVE-2010-5330 is in the CISA known-exploited catalog, due May 6, 2022. Confirm Ubiquiti AirOS against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
Severity
Critical9.8
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
39.36%
Remediation
Remediation guidance
Affected products
cpe ui/airos · vendor Ubiquiti AirOS · vendor n/a n/a

On certain Ubiquiti devices, Command Injection exists via a GET request to stainfo.cgi (aka Show AP info) because the ifname variable is not sanitized, as demonstrated by shell metacharacters. The fixed version is v4.0.1 for 802.11 ISP products, v5.3.5 for AirMax ISP products, and v5.4.5 for AirSync firmware. For example, Nanostation5 (Air OS) is affected.

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 ui/airosversion unspecified
  • vendor Ubiquiti AirOSversion unspecified
  • vendor n/a n/aversion unspecified

How to fix CVE-2010-5330

What to do

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

Should you patch?

CVE-2010-5330 is in the CISA known-exploited catalog, due May 6, 2022. Confirm Ubiquiti AirOS 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 updates per vendor instructions.

What should an analyst verify?

CWE-77: Command Injection. EPSS 39.36%. 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. Jun 11, 2019 · Catalog

    Detected

    On certain Ubiquiti devices, Command Injection exists via a GET request to stainfo.cgi (aka Show AP info) because the ifname variable is not sanitized, as demonstrated by shell metacharacters. The fixed version is v4.0.1 for 802.11 ISP products, v5.3.5 for AirMax ISP products, and v5.4.5 for AirSync firmware. For example, Nanostation5 (Air OS) is affected.

  2. Apr 15, 2022 · CISA KEV

    Known exploited

    Apply updates per vendor instructions.

  3. May 6, 2022 · CISA KEV

    Remediation due

    Apply updates per vendor instructions.

  4. Jun 16, 2026 · Catalog

    Updated

    On certain Ubiquiti devices, Command Injection exists via a GET request to stainfo.cgi (aka Show AP info) because the ifname variable is not sanitized, as demonstrated by shell metacharacters. The fixed version is v4.0.1 for 802.11 ISP products, v5.3.5 for AirMax ISP products, and v5.4.5 for AirSync firmware. For example, Nanostation5 (Air OS) is affected.

Sources

  • CISA KEVConfirmed exploitationCVE-2010-5330

    Certain Ubiquiti devices contain a command injection vulnerability via a GET request to stainfo.cgi.

    cisa.gov
  • CVE.orgVulnerability recordCVE-2010-5330

    On certain Ubiquiti devices, Command Injection exists via a GET request to stainfo.cgi (aka Show AP info) because the ifname variable is not sanitized, as demonstrated by shell metacharacters. The fixed version is v4.0.1 for 802.11 ISP products, v5.3.5 for AirMax ISP products, an

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2010-5330

    30-day exploitation probability 39.4%

    first.org
  • NIST NVDVulnerability recordCVE-2010-5330

    On certain Ubiquiti devices, Command Injection exists via a GET request to stainfo.cgi (aka Show AP info) because the ifname variable is not sanitized, as demonstrated by shell metacharacters. The fixed version is v4.0.1 for 802.11 ISP products, v5.3.5 for AirMax ISP products, an

    nvd.nist.gov
  • VulnCheck KEVConfirmed exploitationCVE-2010-5330

    Certain Ubiquiti devices contain a command injection vulnerability via a GET request to stainfo.cgi.

    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.