PatchTheCVECVE-2026-73756: A vulnerability in an API endpoint of AOS-CX could allow a remote unauthenticated attacker to obtain sensitive
CVE-2026-73756 is a medium-severity flaw (CVSS 5.9) affecting arubaos-cx. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
A vulnerability in an API endpoint of AOS-CX could allow a remote unauthenticated attacker to obtain sensitive information via a man-in-the-middle attack. Successful exploitation allows an attacker to retrieve data which could be used to further compromise the confidentiality of the affected system.
Why this priority
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 5.9 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | High |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.3% (top 82%) |
| CISA exploited list | No |
| Weakness | CWE-319 |
| Published | 2026-09-01 |
| Last modified | 2026-09-04 |
Last updated 2026-09-04 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-73756?
arubaos-cx: upgrade to newer than 10.17.1021. Exact commands for each OS are on this page.
Is CVE-2026-73756 being exploited?
CVE-2026-73756 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-73756 affect?
CVE-2026-73756 affects arubaos-cx. Severity is medium (CVSS 5.9). A vulnerability in an API endpoint of AOS-CX could allow a remote unauthenticated attacker to obtain sensitive information via a man-in-the-middle attack. Successful exploitation allows an attacker to retrieve data which could be used to fu
How urgent is CVE-2026-73756?
Priority 30/100. Remotely exploitable, no login, no user action
Related CVEs
- CVE-2026-44880 HIGH 8.8 UPGRADE A buffer overflow vulnerability was found in the command line interface of AOS-CX
- CVE-2026-63454 HIGH 7.2 UPGRADE An authenticated path traversal vulnerability exists in AOS-CX
- CVE-2026-63453 HIGH 7.2 UPGRADE Buffer overflow vulnerabilities exist in the command line interface of AOS-CX
- CVE-2026-73783 MEDIUM 4.9 UPGRADE Stack overflow vulnerabilities exist in an API endpoint of AOS-CX
- CVE-2026-73749 CRITICAL 9.8 UPGRADE Multiple vulnerabilities exist in a daemon of AOS-CX that may allow for improper processing of malformed input