PatchTheCVECVE-2026-73774: A buffer overflow vulnerability exists in the underlying operating system of AOS-CX that could lead to unauthe
CVE-2026-73774 is a high-severity flaw (CVSS 7.6) affecting arubaos-cx. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
A buffer overflow vulnerability exists in the underlying operating system of AOS-CX that could lead to unauthenticated disclosure of sensitive information by sending specially crafted packets to the affected system. Successful exploitation of this vulnerability could result in limited disclosure or modification of information and disruption of the affected system.
Why this priority
- High severity
A fixed release or distro patch exists.
Risk facts
| CVSS score | 7.6 (High) |
| Attack vector | Adjacent network |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.3% (top 78%) |
| CISA exploited list | No |
| Weakness | CWE-120 |
| 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-2026-73774?
arubaos-cx: upgrade to newer than 10.17.1021. Exact commands for each OS are on this page.
Is CVE-2026-73774 being exploited?
CVE-2026-73774 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-2026-73774 affect?
CVE-2026-73774 affects arubaos-cx. Severity is high (CVSS 7.6). A buffer overflow vulnerability exists in the underlying operating system of AOS-CX that could lead to unauthenticated disclosure of sensitive information by sending specially crafted packets to the affected system. Successful exploitation
How urgent is CVE-2026-73774?
Priority 32/100. High severity
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