5.3

CVE-2026-23822

Unauthenticated XML External Entity Injection in AOS-8 Instant allows Denial of Service

A vulnerability in the XML handling component of AOS-8 DHCP services could allow an unauthenticated remote attacker to trigger a denial-of-service condition. Successful exploitation could allow an attacker to cause excessive resource consumption upon user interaction, leading to service disruption or reduced availability of the affected system.








NOTE: This vulnerability only impacts Access Points running AOS Instant 8.x.x.x
Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
HerstellerHewlett Packard Enterprise (HPE)
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Produkt ArubaOS (AOS)
Default Statusaffected
Version <= 8.13.1.1
Version 8.13.0.0
Status affected
Version <= 8.12.0.6
Version 8.12.0.0
Status affected
Version <= 8.10.0.21
Version 8.10.0.0
Status affected
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.07% 0.214
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
security-alert@hpe.com 5.3 1.6 3.6
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H
CWE-776 Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion')

The product uses XML documents and allows their structure to be defined with a Document Type Definition (DTD), but it does not properly control the number of recursive definitions of entities.