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
Published Jun 11, 2019 ·Due May 6, 2022
9.8
CRITICALCVSS 3.1
EPSS 39.36%
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.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:P/I:N/A:N
Date Added
Apr 15, 2022
Patch Due
May 6, 2022
Required Action
Apply updates per vendor instructions.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
ActiveAutomatable
YesTechnical Impact
TotalDecision
n/aAssessed Feb 7, 2025 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (25 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 39.36% (0.39362) | 98.56th | v5 (v2026.06.15) |
| Sep 20, 2026 | 33.85% (0.33847) | 98.32th | v5 (v2026.06.15) |
| Jun 15, 2026 | 34.02% (0.34023) | 98.18th | v5 (v2026.06.15) |
| May 12, 2026 | 42.76% (0.42759) | 97.51th | v4 (v2025.03.14) |
| Mar 18, 2026 | 44.01% (0.44009) | 97.49th | v4 (v2025.03.14) |
| Mar 6, 2026 | 47.06% (0.47064) | 97.61th | v4 (v2025.03.14) |
| Dec 24, 2025 | 56.48% (0.56481) | 98.01th | v4 (v2025.03.14) |
| Nov 6, 2025 | 44.01% (0.44009) | 97.38th | v4 (v2025.03.14) |
| Oct 22, 2025 | 54.12% (0.54124) | 97.86th | v4 (v2025.03.14) |
| Aug 16, 2025 | 52.73% (0.52725) | 97.84th | v4 (v2025.03.14) |
| Jun 24, 2025 | 61.53% (0.61526) | 98.20th | v4 (v2025.03.14) |
| Apr 19, 2025 | 56.66% (0.56665) | 97.94th | v4 (v2025.03.14) |
| Apr 17, 2025 | 54.35% (0.54348) | 97.83th | v4 (v2025.03.14) |
| Mar 30, 2025 | 52.43% (0.52428) | 97.71th | v4 (v2025.03.14) |
| Mar 29, 2025 | 65.60% (0.65597) | 97.91th | v4 (v2025.03.14) |
| Mar 19, 2025 | 52.43% (0.52428) | 97.62th | v4 (v2025.03.14) |
| Mar 17, 2025 | 39.38% (0.39375) | 96.96th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.88% (0.01876) | 88.92th | v3 (v2023.03.01) |
| Feb 6, 2024 | 2.69% (0.02693) | 89.44th | v3 (v2023.03.01) |
| Aug 6, 2023 | 2.34% (0.02343) | 88.32th | v3 (v2023.03.01) |
| Mar 31, 2023 | 1.18% (0.01180) | 82.94th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.83% (0.00835) | 79.43th | v3 (v2023.03.01) |
| Mar 6, 2023 | 8.38% (0.08382) | 93.89th | v2 (v2022.01.01) |
| Apr 1, 2022 | 8.38% (0.08382) | 93.35th | v2 (v2022.01.01) |
| Feb 4, 2022 | 8.38% (0.08382) | 82.62th | v2 (v2022.01.01) |
References (3)
- https://community.ubnt.com/t5/airMAX-General-Discussion/AirOS-Security-Exploit-Updated-Firmware/td-p/212974 x_refsource_MISCIssue TrackingPatchVendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2010-5330 government-resourceUS Government Resource
- https://www.exploit-db.com/exploits/14146 x_refsource_MISCThird Party AdvisoryVDB Entry
| Link | Providers | Tags |
|---|---|---|
| https://community.ubnt.com/t5/airMAX-General-Discussion/AirOS-Security-Exploit-Updated-Firmware/td-p/212974 | x_refsource_MISCIssue TrackingPatchVendor Advisory | |
| https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2010-5330 | government-resourceUS Government Resource | |
| https://www.exploit-db.com/exploits/14146 | x_refsource_MISCThird Party AdvisoryVDB Entry |
Change history (0)
No recorded changes yet.