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CVE-2026-73749 is a critical buffer-overflow vulnerability in a daemon in HPE Aruba Networking ArubaOS-CX. The daemon improperly processes malformed input, enabling an unauthenticated remote attacker to send specially crafted packets to the affected service. Successful exploitation can execute attacker-controlled code with elevated privileges on the affected ArubaOS-CX device.
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What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
13 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Critical unauthenticated remote code-execution buffer overflow in an ArubaOS-CX daemon.
Critical unauthenticated remote code-execution vulnerability in ArubaOS-CX affecting CX-series switches; crafted packets can compromise vulnerable devices.
An unauthenticated remote code-execution vulnerability affecting an AOS-CX daemon. Crafted packets containing malformed input sent to the affected service may yield elevated-privilege code execution. The listed CVSS v3.1 vector is AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.