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CVE-2015-9266

81
FAUCET Score

CVE-2015-9266 describes a critical directory traversal vulnerability in the web management interface of various Ubiquiti airMAX, airFiber, airGateway, and EdgeSwitch XP products. This flaw allows an unauthenticated attacker to upload and write arbitrary files, potentially leading to root privilege escalation. With a CVSS score of 9.8 (CRITICAL) and an EPSS score indicating high exploitability, this vulnerability is easily exploitable over the network with low attack complexity and no user interaction required, resulting in complete compromise of confidentiality, integrity, and availability. While not listed in CISA KEV, public exploit modules exist in Metasploit and ExploitDB, confirming its exploitability, despite a lack of broader community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
7.1.3CPE matchmatch criteria
cpe:2.3:o:ui:airmax_ac_firmware:7.1.3:*:*:*:*:*:*:*
< 5.6.2CPE matchmatch criteria
cpe:2.3:o:ui:airmax_m_xm_firmware:*:*:*:*:*:*:*:*
< 5.6.2CPE matchmatch criteria
cpe:2.3:o:ui:airmax_m_xw_firmware:*:*:*:*:*:*:*:*
< 5.6.2CPE matchmatch criteria
cpe:2.3:o:ui:airmax_m_ti_firmware:*:*:*:*:*:*:*:*
< 1.15CPE matchmatch criteria
cpe:2.3:o:ui:airgateway_firmware:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.8CRITICAL

CVSS:3.0/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
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
74.00%
Probability of exploitation in next 30 days
EPSS Percentile
99.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
Metasploit: Ubiquiti airOS Arbitrary File Upload · Feb 13, 2016
ExploitDB: EDB-39701 · Apr 15, 2016
This CVE's current EPSS score of 0.7400 is in the 98th percentile among its peer group of 36,821 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

community.ubnt.com / t5/airMAX-General-Discussion/Virus-attack-URGENT-UBNT/td-p/1562940
Vendor Advisory
community.ubnt.com / t5/airMAX-Updates-Blog/Important-Security-Notice-and-airOS-5-6-5-Release/ba-p/1565949
Vendor Advisory
community.ubnt.com / t5/airMAX-Updates-Blog/Security-Release-for-airMAX-TOUGHSwitch-and-airGateway-Released/ba-p/1300494
PatchVendor Advisory
hackerone.com / reports/73480
Issue TrackingThird Party Advisory
exploit-db.com / exploits/39701
ExploitThird Party AdvisoryVDB Entry
exploit-db.com / exploits/39853
ExploitThird Party AdvisoryVDB Entry
rapid7.com / db/modules/exploit/linux/ssh/ubiquiti_airos_file_upload
ExploitThird Party Advisory