CVE-2026-79857: Command Injection (CVSS 9.8)

Description

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.

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CVSS v3.1 Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS — Exploit Prediction

0.0142

Probability of exploitation

0.73%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-77 CWE-77

References

Other References

https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05162en_us&docLocale=en_US

Frequently Asked Questions

What is CVE-2026-79857? +

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. It has a CVSS v3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2026-79857? +

CVE-2026-79857 has a CVSS v3.1 score of 9.8 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately. The EPSS score is 0.0142, placing it in the 1th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-79857? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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