PatchTheCVECVE-2026-79857: There is a command injection vulnerability in the PAPI protocol (Aruba's access point management protocol) of
CVE-2026-79857 is a critical-severity flaw (CVSS 9.8) affecting affected software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
There is a command injection vulnerability in the PAPI protocol (Aruba's access point management protocol) of AOS-8 that could lead to unauthenticated remote code execution by sending specially crafted packets to the affected UDP port. Successful exploitation of this vulnerability results in the ability to execute arbitrary code as a privileged user on the underlying operating system.
Why this priority
- Critical severity
- CISA SSVC: automatable with total technical impact
- 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 | 1.3% (top 31%) |
| CISA exploited list | No |
| Weakness | CWE-77 |
| Published | 2026-10-22 |
| Last modified | 2026-10-24 |
Timeline
- Published CVE record published
- Updated Record last modified
Exact fixes by distribution
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-2026-79857?
No fixed release is listed yet. Watch the vendor advisory and apply any mitigation shown on this page.
Is CVE-2026-79857 being exploited?
CVE-2026-79857 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-2026-79857 affect?
CVE-2026-79857 affects affected software. Severity is critical (CVSS 9.8). There is a command injection vulnerability in the PAPI protocol (Aruba's access point management protocol) of AOS-8 that could lead to unauthenticated remote code execution by sending specially crafted packets to the affected UDP port. Succ
How urgent is CVE-2026-79857?
Priority 60/100. Critical severity; CISA SSVC: automatable with total technical impact; Remotely exploitable, no login, no user action