Denial of Service attack in airMAX < 8.3.2 , airMAX < 6.0.7 and EdgeMAX < 1.9.7 allow attackers to use the Discovery Protocol in amplification attacks.
Conclusion & alert: CVE-2017-0938 is rated High Risk (69/100): CVSS High severity, with high exploitation likelihood (EPSS 20.97%, 97th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +15.67% over the last day, indicating growing attacker interest. Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 5.30% | 20.97% | +15.67% |
| 2 | 2025-11-28 | 5.40% | 5.30% | -0.10% |
| 3 | 2025-09-17 | — | 5.40% | — |
Full EPSS history (19 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 3.1 | HIGH |
|
3.9 | 3.6 | [email protected] |
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| URL | Tags |
|---|---|
| https://community.ubnt.com/t5/airMAX-Updates-Blog/airOS-v6-0-7-Has-Been-Released/ba-p/2056522 | Release Notes Vendor Advisory |
| https://community.ubnt.com/t5/airMAX-Updates-Blog/airOS-v8-3-2-Has-Been-Released/ba-p/2049215 | Release Notes Vendor Advisory |
| https://hackerone.com/reports/221625 | Third Party Advisory |