# CVE-2010-5330 — Ui Airos

**CISA KEV**

> As of 2025-10-21, CVE-2010-5330 is a CRITICAL-severity vulnerability in Ui Airos, CVSS v3.1 9.8, EPSS 39.3% (98.5th percentile). It is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-04-15), with a US federal remediation deadline of 2022-05-06. Threadlinqs Intelligence links 1 tracked threat campaign to CVE-2010-5330, most recently “Ubiquiti UniFi OS — Three Max-Severity Pre-Auth Vulnerabilities (CVE-2026-34908 / 34909 / 34910) in Security Advisory Bulletin 064”.

**Last updated:** 2025-10-21

## 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.

The record classifies CVE-2010-5330 under weakness class [CWE-77](https://intel.threadlinqs.com/cwe/CWE-77). Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs no prior authentication, needs no user interaction, and has high impact on confidentiality, integrity, availability. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 2696 days ago.

## Severity and exploitation probability

- **CVSS v3.1 base score:** 9.8 — CRITICAL (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`)
- **EPSS (FIRST):** 39.3% probability of exploitation in the next 30 days, higher than 98.5% of all scored CVEs
- **CISA KEV:** Listed since 2022-04-15, federal remediation deadline 2022-05-06
- **Threadlinqs priority:** 9/10 — CISA KEV-listed, which Threadlinqs floors at 9
- **Published:** 2019-06-11, last modified 2025-10-21

## Is CVE-2010-5330 being exploited?

CISA added CVE-2010-5330 to the Known Exploited Vulnerabilities catalog on 2022-04-15, which means the agency holds evidence of exploitation in the wild; US federal civilian agencies had to remediate it by 2022-05-06 under BOD 22-01. Weaponised exploit code for CVE-2010-5330 is publicly available. 1 public proof-of-concept repository is tracked for this identifier. It currently carries a trending score of 48 in the Threadlinqs vulnerability feed.

- [trickest/cve](https://github.com/trickest/cve/blob/main/2010/CVE-2010-5330.md) (trickest)

## Affected products and versions

- **Ui**: Airos

## How to fix CVE-2010-5330

The record marks a vendor fix as available for CVE-2010-5330. Patch reference: [https://community.ubnt.com/t5/airMAX-General-Discussion/AirOS-Security-Exploit-Updated-Firmware/td-p/212974](https://community.ubnt.com/t5/airMAX-General-Discussion/AirOS-Security-Exploit-Updated-Firmware/td-p/212974). Vendor advisory: [https://community.ubnt.com/t5/airMAX-General-Discussion/AirOS-Security-Exploit-Updated-Firmware/td-p/212974](https://community.ubnt.com/t5/airMAX-General-Discussion/AirOS-Security-Exploit-Updated-Firmware/td-p/212974). Because CVE-2010-5330 is KEV-listed, US federal civilian agencies were required to apply the vendor fix, or stop using the product, by 2022-05-06. Apply the vendor fix referenced above to every affected product listed in this record, then confirm the running version against the vendor advisory.

## Threat activity tracking CVE-2010-5330

1 tracked threat in the Threadlinqs corpus references CVE-2010-5330, either in the campaign’s CVE list or as an indicator on the campaign record.

- [Ubiquiti UniFi OS — Three Max-Severity Pre-Auth Vulnerabilities (CVE-2026-34908 / 34909 / 34910) in Security Advisory Bulletin 064](https://intel.threadlinqs.com/threat/TL-2026-0563) — CRITICAL · 2026-05-22

## Sources

Enriched from CVE.org, NVD, FIRST EPSS, CISA KEV, GitHub Security Advisories, public proof-of-concept repositories. Last verified by Threadlinqs on 2026-10-10. This product uses the NVD API but is not endorsed or certified by the NVD.

**Other references**

- [exploit-db.com](https://www.exploit-db.com/exploits/14146)
- [community.ubnt.com](https://community.ubnt.com/t5/airMAX-General-Discussion/AirOS-Security-Exploit-Updated-Firmware/td-p/212974)

Canonical: https://intel.threadlinqs.com/cve/CVE-2010-5330
Full detection coverage and IOCs for threats exploiting CVE-2010-5330 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp
