How severe is CVE-2026-73782?

CVE-2026-73782 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-73782 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-73782?

CVE-2026-73782 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-2026-73782?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2026-73782 published?

CVE-2026-73782 was published on 2026-09-01 and last updated on 2026-09-04.

CVE-2026-73782

CVE-2026-73782 is a high-severity vulnerability in Hpe Arubaos-cx with a CVSS 3.x base score of 8.8. 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-134.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 0% (34th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-134
Affected product: Hpe Arubaos-cx
Published: 2026-09-01
Last modified: 2026-09-04

Description

A format string vulnerability exists in the command line interface of AOS-CX that could lead to unauthenticated remote code execution. Successful exploitation of this vulnerability results in the ability to execute arbitrary code as a privileged user on the underlying operating system.

Frequently asked questions

What is CVE-2026-73782?: A format string vulnerability exists in the command line interface of AOS-CX that could lead to unauthenticated remote code execution. Successful exploitation of this vulnerability results in the ability to execute arbitrary code as a privileged user on the underlying operating system.
How severe is CVE-2026-73782?: CVE-2026-73782 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-73782 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-73782?: CVE-2026-73782 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-2026-73782?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2026-73782 published?: CVE-2026-73782 was published on 2026-09-01 and last updated on 2026-09-04.

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-2026-73753 — 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…
CVE-2026-73750 — High (CVSS 8.8): Vulnerabilities exist in the authentication module that may improperly process malformed or truncated input. An…

All CVEs affecting Hpe Arubaos-cx →

Other CWE-134 vulnerabilities

CVE-2012-1851 — Critical (CVSS 10.0): Format string vulnerability in the Print Spooler service in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2,…
CVE-2012-0242 — Critical (CVSS 10.0): Format string vulnerability in Advantech/BroadWin WebAccess before 7.0 allows remote attackers to execute arbitrary…
CVE-2011-2475 — Critical (CVSS 10.0): Format string vulnerability in ECTrace.dll in the iMailGateway service in the Internet Mail Gateway in OneBridge Server…
CVE-2011-1568 — Critical (CVSS 10.0): Format string vulnerability in the logText function in shmemmgr9.dll in IGSSdataServer.exe 9.00.00.11074, and…
CVE-2010-4235 — Critical (CVSS 10.0): Format string vulnerability in RealNetworks Helix Server 12.x, 13.x, and 14.x before 14.2, and Helix Mobile Server…
CVE-2011-0270 — Critical (CVSS 10.0): Format string vulnerability in nnmRptConfig.exe in HP OpenView Network Node Manager (OV NNM) 7.51 and 7.53 allows…

Browse all CWE-134 vulnerabilities →