CVE-2010-5330Ubiquiti AirOS Command Injection Vulnerability

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.

9.8 CRITICALEPSS 40.23%⚡ Known Exploited (CISA KEV)NVD: Analyzed

Last updated: 2026-06-16 23:26 UTC

OverviewCVSS details

9.8CRITICALCVSS 3.1

Score source: NVD
NVD status: Analyzed
Published: Jun 11, 2019
Assigner: mitre

Affected

airos (ui)

Versions: before 4.0.1 · 4.0.2 before 5.3.5
Fixed in: 4.0.1, 5.3.5, 5.4.5

All affected versions →

Exploitation

Public exploit: None listed
CISA KEV: Listed · Apr 15, 2022
KEV due date: May 6, 2022
Ransomware use: Unknown
SSVC: Exploitation active · Automatable yes · Impact total

EPSS · FIRST, scored Nov 7

40.23%chance of exploitation in 30 days

Higher than 98.64% of CVEs

CVSS 3.1 · NVD

9.8Critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack vector: Network
Attack complexity: Low
Privileges required: None
User interaction: None
Scope: Unchanged
Confidentiality impact: High
Integrity impact: High
Availability impact: High

CVSS 2.0 · NVD

5.0Medium

AV:N/AC:L/Au:N/C:P/I:N/A:N

Attack vector: Network
Attack complexity: Low
Authentication: None
Confidentiality impact: Partial
Integrity impact: None
Availability impact: None

NVD status: Analyzed

Overview Affected Products References

NVD CVE.org

Overview

Severity

Score	Severity	Version	Vector String
9.8	CRITICAL	3.1NVD	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
5.0	MEDIUM	2.0NVD	AV:N/AC:L/Au:N/C:P/I:N/A:N

CISA required action

⚡ Known exploited · remediation due May 6, 2022

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Details

CVE ID: CVE-2010-5330
Status: Analyzed
Assigner (CNA): mitre
Published: Jun 11, 2019
Last modified: 2026-06-16 23:26 UTC
Weaknesses: CWE-77

Sources

Refreshed hourly from the sources above. Last fetched 2026-11-08 13:34 UTC.