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CVE-2025-20105 is an improper input validation vulnerability in a UEFI firmware System Management Mode (SMM) module affecting some Intel reference platforms. According to the provided advisory context, insufficient validation of attacker-controlled input in the SMM firmware component may allow a system software adversary who already has privileged local user access to trigger an escalation of privilege and achieve local code execution. The issue is characterized as a local, low-complexity attack requiring no user interaction, but with attack requirements present. The vulnerable component is identified only at the level of an SMM module in Intel UEFI firmware; no more specific function or code path is provided in the available content.
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What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
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No public exploit code observed for this vulnerability.
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Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
4 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
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Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
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Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.