How severe is CVE-2026-73759?

CVE-2026-73759 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2026-73759 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-73759?

CVE-2026-73759 primarily affects Hpe Arubaos-cx. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-73759?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2026-73759 published?

CVE-2026-73759 was published on 2026-09-01 and last updated on 2026-09-22.

CVE-2026-73759

CVE-2026-73759 is a medium-severity vulnerability in Hpe Arubaos-cx with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-400.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 0% (20th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-400
Affected product: Hpe Arubaos-cx
Published: 2026-09-01
Last modified: 2026-09-22

Description

Vulnerabilities in AOS-CX could allow an unauthenticated remote malicious actor to trigger a denial-of-service condition by sending specially crafted packets. Successful exploitation of these vulnerabilities results in disruption of normal operation on affected devices.

Frequently asked questions

What is CVE-2026-73759?: Vulnerabilities in AOS-CX could allow an unauthenticated remote malicious actor to trigger a denial-of-service condition by sending specially crafted packets. Successful exploitation of these vulnerabilities results in disruption of normal operation on affected devices.
How severe is CVE-2026-73759?: CVE-2026-73759 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2026-73759 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-73759?: CVE-2026-73759 primarily affects Hpe Arubaos-cx. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-73759?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2026-73759 published?: CVE-2026-73759 was published on 2026-09-01 and last updated on 2026-09-22.

References

https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05134en_us&docLocale=en_US

Affected products (2)

cpe:2.3:o:hpe:arubaos-cx:*:*:*:*:*:*:*:*
cpe:2.3:o:hpe:arubaos-cx:10.18.0001:*:*:*:*:*:*:*

More vulnerabilities in Hpe Arubaos-cx

CVE-2026-73749 — Critical (CVSS 9.8): Multiple vulnerabilities exist in a daemon of AOS-CX that may allow for improper processing of malformed input. An…
CVE-2026-23813 — Critical (CVSS 9.8): A vulnerability has been identified in the web-based management interface of AOS-CX switches that could potentially…
CVE-2026-73782 — High (CVSS 8.8): A format string vulnerability exists in the command line interface of AOS-CX that could lead to unauthenticated remote…
CVE-2026-73753 — High (CVSS 8.8): Exploitation through affected command-line operations could allow an authenticated low-privileged user to execute…
CVE-2026-73752 — High (CVSS 8.8): An unauthenticated arbitrary file write vulnerability exists in an API endpoint of AOS-CX. Successful exploitation of…
CVE-2026-73751 — High (CVSS 8.8): An authenticated user with low-privileged access could submit crafted input through the web-based management interface…

All CVEs affecting Hpe Arubaos-cx →

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Browse all CWE-400 (Uncontrolled Resource Consumption) vulnerabilities →