High severity · published Oct 6, 2026
CVE-2026-25302
Improper Verification of Cryptographic Signature in Boot
7.1
CVSS
0.1%
EPSS
No
On KEV
Description
Cryptographic Issue when processing non-ELF partitions, authentication and signature checks are bypassed, allowing unsigned or corrupted images to be mounted and processed.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 0% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SN
Snapdragon · Qualcomm, Inc.
5G Fixed Wireless Access Platform; AR8035; Cologne; CQ7790; CQ8725S; CQ8750M; +34 more · source: vendor
AF
Ar8035 Firmware · Qualcomm
All versions, or not specified · source: NVD
CF
Cologne Firmware · Qualcomm
All versions, or not specified · source: NVD
CF
Cq2390m Firmware · Qualcomm
All versions, or not specified · source: NVD
CF
Cq2390s Firmware · Qualcomm
All versions, or not specified · source: NVD
CF
Cq7790 Firmware · Qualcomm
All versions, or not specified · source: NVD
CF
Cq7790m Firmware · Qualcomm
All versions, or not specified · source: NVD
CF
Cq8725s Firmware · Qualcomm
All versions, or not specified · source: NVD
CF
Cq8750m Firmware · Qualcomm
All versions, or not specified · source: NVD
CF
Cq8845s Firmware · Qualcomm
All versions, or not specified · source: NVD
CF
Cq8850ns Firmware · Qualcomm
All versions, or not specified · source: NVD
CF
Csra6620 Firmware · Qualcomm
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-25302
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-25302
docs.qualcomm.com
https://docs.qualcomm.com/product/publicresources/securitybulletin/october-2026-bulletin.html
More from Snapdragon
8.6
CVE-2025-21479
Incorrect Authorization in Graphics
8.6
CVE-2025-21480
Incorrect Authorization in Graphics Windows
7.8
CVE-2026-21385
Integer Overflow or Wraparound in Graphics
7.8
CVE-2024-43047
Use After Free in DSP Service
7.8
CVE-2023-33107
Integer Overflow or Wraparound in Graphics Linux