PatchTheCVECVE-2026-73749: Multiple vulnerabilities exist in a daemon of AOS-CX that may allow for improper processing of malformed input
CVE-2026-73749 is a critical-severity flaw (CVSS 9.8) affecting arubaos-cx. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Multiple vulnerabilities exist in a daemon of AOS-CX that may allow for improper processing of malformed input. An unauthenticated remote attacker could exploit these vulnerabilities by sending specially crafted packets to the affected service. Successful exploitation could result in remote code execution with elevated privileges.
Why this priority
- Critical severity
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 9.8 (Critical) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.8% (top 43%) |
| CISA exploited list | No |
| Weakness | CWE-284 |
| Published | 2026-09-01 |
| Last modified | 2026-09-22 |
Last updated 2026-09-22 · 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-2026-73749?
arubaos-cx: upgrade to 10.10.1181, 10.13.1190, 10.16.1060, 10.17.1030. Exact commands for each OS are on this page.
Is CVE-2026-73749 being exploited?
CVE-2026-73749 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-2026-73749 affect?
CVE-2026-73749 affects arubaos-cx. Severity is critical (CVSS 9.8). Multiple vulnerabilities exist in a daemon of AOS-CX that may allow for improper processing of malformed input. An unauthenticated remote attacker could exploit these vulnerabilities by sending specially crafted packets to the affected serv
How urgent is CVE-2026-73749?
Priority 54/100. Critical severity; 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-2026-73750 HIGH 8.8 UPGRADE Vulnerabilities exist in the authentication module that may improperly process malformed or truncated input