CVE-2010-5330
CriticalExploitedPublic exploitOn 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.
Published Jun 11, 2019 · Updated Nov 5, 2025
Key Facts
Patch immediately- CVE-2010-5330 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting Airos (Ui).
- It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Jun 13, 2019. Public exploit code is available.
- EPSS estimates a 39% probability of exploitation in the next 30 days.
- Fixed versions are available, including Airos 4.0.1.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
39%
Higher than 98.5% of all scored CVEs
Exploited in the wild
Yes
4 catalog listings
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2010-5330 brief as a PDF
Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.
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.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CISA KEV | Apr 15, 2022 | May 6, 2022 | Not reported |
| Industry KEV feed | Jun 13, 2019 | May 6, 2022 | Not reported |
| CIRCL KEV | Apr 15, 2022 | May 6, 2022 | Not reported |
| ENISA EUVD | Apr 15, 2022 | n/a | Not reported |
Required action: Apply updates per vendor instructions.
Affected Products
1 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| AirosUi | See advisory | 4.0.1 |
Patched Releases
Airos
4.0.1
Timeline
Publicly disclosed
Jun 11, 2019
Added to Industry KEV feed
Jun 13, 2019
Added to CISA KEV
Apr 15, 2022
Added to CIRCL KEV
Apr 15, 2022
Added to ENISA EUVD
Apr 15, 2022
Last updated
Nov 5, 2025
Weakness Type
- CWE-77 Improper Neutralization of Special Elements used in a Command ('Command Injection')
References
- advisoryhttps://www.exploit-db.com/exploits/14146
- patchhttps://community.ubnt.com/t5/airMAX-General-Discussion/AirOS-Security-Exploit-Updated-Firmware/td-p/212974
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
FAQ
Common Questions.
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.
Affected: Airos (Ui). The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Jun 13, 2019.
Yes. It was added on Apr 15, 2022 with a federal remediation due date of May 6, 2022.
Public exploit code is available.
Fixed versions are available, including Airos 4.0.1.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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