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
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
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
- Record
CVE-2026-23822- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H - Weakness
- CWE-776
- Updated
- 2026-11-02
EUVDEUVD-2026-29738
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
- Record
EUVD-2026-29738- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-xrfm-m363-m483
A vulnerability in the XML handling component of AOS-8 DHCP services could allow an...
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
- Record
GHSA-xrfm-m363-m483- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H - Weakness
- CWE-776
- Updated
- 2026-11-02
NVD
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
- Record
CVE-2026-23822- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H - Weakness
- CWE-776
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-23822 is a medium vulnerability (CVSS 5.3) in Arubanetworks Arubaos, published May 12, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.26%, the 18th percentile. No source names a fixed version.