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UK Cyber Defence
VulnerabilityAwaiting Analysis

CVE-2026-79889

Vulnerabilities in multiple web interface endpoints of AOS-8 devices could allow an unauthenticated remote attacker to trigger a buffer overflow by using specially crafted requests.

HIGH 8.1EPSS 0.63%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.63%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Vulnerabilities in multiple web interface endpoints of AOS-8 devices could allow an unauthenticated remote attacker to trigger a buffer overflow by using specially crafted requests. Successful exploitation could allow an attacker to execute arbitrary commands on the underlying operating system, leading to complete system compromise.

CVSS 3.1
8.1 HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
0.63% probability · 50th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-119
Source
security-alert@hpe.com
EPSS trend
0%3%5%23 October 2026: 0.24%26 October 2026: 0.63%23 October 202626 October 2026

EPSS moved from 0.2% on 23 October 2026 to 0.6% on 26 October 2026.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.