CVE-2026-25302

Improper Verification of Cryptographic Signature in Boot

7.1 High

Cryptographic Issue when processing non-ELF partitions, authentication and signature checks are bypassed, allowing unsigned or corrupted images to be mounted and processed.

Attack profile

How easy it is to exploit

Attack vector: Local
Complexity: Low
Privileges needed: Low
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: None
Availability: High

Exploit likelihood

0.06%Unchanged since Oct 6, 2026

What each source reports

CVE List Score used 7.1

Improper Verification of Cryptographic Signature in Boot

Cryptographic Issue when processing non-ELF partitions, authentication and signature checks are bypassed, allowing unsigned or corrupted images to be mounted and processed.

Record: CVE-2026-25302
CVSS 3.1: 7.1 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Weakness: CWE-347
Updated: 2026-11-02

EUVDEUVD-2026-92978 7.1

Cryptographic Issue when processing non-ELF partitions, authentication and signature checks are bypassed, allowing unsigned or corrupted images to be mounted and processed.

Record: EUVD-2026-92978
CVSS 3.1: 7.1 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Updated: 2026-11-02

GitHub AdvisoriesGHSA-5mfp-688h-g4r8 7.1

Cryptographic Issue when processing non-ELF partitions, authentication and signature checks are...

Cryptographic Issue when processing non-ELF partitions, authentication and signature checks are bypassed, allowing unsigned or corrupted images to be mounted and processed.

Record: GHSA-5mfp-688h-g4r8
CVSS 3.1: 7.1 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Weakness: CWE-347
Updated: 2026-11-02

NVD 7.1

Cryptographic Issue when processing non-ELF partitions, authentication and signature checks are bypassed, allowing unsigned or corrupted images to be mounted and processed.

Record: CVE-2026-25302
CVSS 3.1: 7.1 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Weakness: CWE-347
Updated: 2026-11-02

Affected products

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History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-25302 is a high vulnerability (CVSS 7.1) in Qualcomm Ar8035 Firmware, published October 6, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.06%, the 0th percentile. No source names a fixed version.

Attack profile

How easy it is to exploit

What an attacker can affect

Exploit likelihood

What each source reports

Affected products

History

In short

References