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ExploitedIn CISA KEVFix available

CVE-2010-5330

Exploitation confirmed. First attested on 2022-04-15 by CISA-ADP, CISA KEV, GCVE · kevintel.

  • Published2019-06-11
  • Fixed in5.4.5 · 5.3.5 · 4.0.1
  • WeaknessCWE-77

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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.

Timeline

dates in UTC
  1. 2019-06-1121:29CVE publishedNVD
  2. 2022-04-15Added to the CISA KEV catalogCISA KEV
  3. 2022-04-15Listed as exploited by GCVEGCVE
  4. 2022-04-15Exploitation first reportedCISA KEV
  5. 2025-02-0714:00SSVC exploitation set to activeCISA-ADP

Observed activity

isMalicious corpus · updated 2026-11-03 21:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2010-5330?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2010-5330?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Ui airos
BranchAffectedFixed in
5.x≥ 5.3.6, < 5.4.55.4.5
5.3≥ 4.0.2, < 5.3.55.3.5
4.0< 4.0.14.0.1

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

  1. Update Ui airos to 5.4.5 · 5.3.5 · 4.0.1
  2. CISA’s required action: Apply updates per vendor instructions.due 2022-05-06

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub
Metasploit modules
none listed
Metasploit Framework

CISA Known Exploited Vulnerability

Date Added
2022-04-15
Patch Due Date
2022-05-06
Ransomware Use
Unknown
Required Action
Apply updates per vendor instructions.

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2019-06-11
Last Modified
2026-06-16
NVD status
Analyzed
GitHub Advisory
GHSA-c5j2-ggvf-gwvg

Frequently asked questions

What is CVE-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, and v5.4.5 for AirSync firmware. For example, Nanostation5 (Air OS) is affected.

Is CVE-2010-5330 actively exploited?

Yes. CVE-2010-5330 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2022-05-06.

What is the CVSS score for CVE-2010-5330?

CVE-2010-5330 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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Sources for this record