CVE-2025-11577

Firmware trust bypass via exposed signing keys

Published Oct 14, 2025 · Updated Oct 14, 2025

Hard-coded cryptographic keys in CLEVO Notebook System Firmware 1.07.07TRO1 allow attackers to install trusted malicious firmware. The B10717.exe update package exposes private keys for Boot Guard Key Manifest and Boot Policy Manifest signing, letting attacker-signed firmware pass early-boot verification. Exploitation requires physical flash access or a privileged software update path and enables persistent, stealthy control of the device.

CVSS severity7.6
High
EPSS probability0.26%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Hard-coded cryptographic keys in CLEVO Notebook System Firmware 1.07.07TRO1 allow attackers to install trusted malicious firmware. The B10717.exe update package exposes private keys for Boot Guard Key Manifest and Boot Policy Manifest signing, letting attacker-signed firmware pass early-boot verification. Exploitation requires physical flash access or a privileged software update path and enables persistent, stealthy control of the device.

The record

CVE
CVE-2025-11577
Published
Oct 14, 2025
Updated
Oct 14, 2025
Vendor
CLEVO
Product
Notebook System Firmware
Classifications
CWE-321, T1542.001
Attack vector
physical
Privileges
Unavailable

Timeline

How it unfolded

  1. Oct 14, 2025CVE publishedPublication date reported by the CVE source.
  2. Oct 14, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=1.07.07TRO1

What conditions does exploitation require?

Attack vectorphysical
Required privilegesUnavailable in this record.

What is affected?

CLEVO · Notebook System Firmwareversion=1.07.07TRO1

Published CVSS scores

7.6CISA-ADPCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorphysical
PrivilegesUnavailable
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-321Use of Hard-coded Cryptographic Key
T1542.001Pre-OS Boot: System Firmware

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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