CyberSecBulletin
CVE-2026-25302NVD status: Analyzed

Snapdragon: Improper Verification of Cryptographic Signature

Published Updated By the CyberSecBulletin desk

CVE-2026-25302 is a high-severity improper verification of cryptographic signature vulnerability in Snapdragon from Qualcomm, with a CVSS 3.1 base score of 7.1 out of 10. It can be exploited with local access to the system by an attacker with a low-privileged account, without any action from a user. Affected Snapdragon versions: 5G Fixed Wireless Access Platform; AR8035; Cologne, and others listed below. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 0.06% chance of exploitation within 30 days, which is low compared with other CVEs.

Next patch cycle

High severity with no evidence of exploitation so far.

What to do

  1. Check which version of Snapdragon you run against the affected versions below, and install the vendor's latest release.
  2. Read the advisory on docs.qualcomm.com for workarounds and exact fixed builds.

Affected products and versions

VendorProductAffected versionsFixed in
QualcommSnapdragon5G Fixed Wireless Access Platform; AR8035; Cologne; CQ7790; CQ8725S; CQ8750M; CSRA6620; CSRA6640; and 32 more rangesNot stated
QualcommXrv9209 FirmwareNot specified in the recordNot stated
QualcommSnapdragon G1 Gen 2 Gaming Platform FirmwareNot specified in the recordNot stated
QualcommAr8035 FirmwareNot specified in the recordNot stated
QualcommCologne FirmwareNot specified in the recordNot stated
QualcommCq2390m FirmwareNot specified in the recordNot stated
QualcommQmp2001 FirmwareNot specified in the recordNot stated
QualcommQmx82l FirmwareNot specified in the recordNot stated
QualcommQmx85l FirmwareNot specified in the recordNot stated
QualcommQna715 FirmwareNot specified in the recordNot stated
QualcommQpa1083bd FirmwareNot specified in the recordNot stated
QualcommQpa1086bd FirmwareNot specified in the recordNot stated
QualcommQru1032 FirmwareNot specified in the recordNot stated
QualcommQualcomm Dragonwing Qru100 Platform FirmwareNot specified in the recordNot stated
QualcommQualcomm Dragonwing X100 Accelerator Card FirmwareNot specified in the recordNot stated
QualcommVideo Collaboration Vc3 Platform FirmwareNot specified in the recordNot stated
QualcommVideo Collaboration Vc5 Platform FirmwareNot specified in the recordNot stated
QualcommQxm1083 FirmwareNot specified in the recordNot stated
QualcommQxm1086 FirmwareNot specified in the recordNot stated
QualcommQxm1093 FirmwareNot specified in the recordNot stated
QualcommQxm1094 FirmwareNot specified in the recordNot stated
QualcommQxm1095 FirmwareNot specified in the recordNot stated
QualcommQxm1096 FirmwareNot specified in the recordNot stated
QualcommRobotics Rb2 Platform FirmwareNot specified in the recordNot stated
QualcommRobotics Rb5 Platform FirmwareNot specified in the recordNot stated

Version data comes from the organisation that assigned the CVE; 35 further products are omitted here. Confirm against the vendor advisory before deciding you are unaffected.

How the severity score breaks down

Attack vector
LocalThe attacker needs local access or must trick a user into running something.
Attack complexity
LowNo special conditions are needed; the attack works reliably.
Privileges required
LowA basic user account is enough.
User interaction
NoneNo action by a victim is required.
Scope
UnchangedImpact stays within the vulnerable component.
Confidentiality
HighAll data handled by the component can be read.
Integrity
NoneNothing can be modified.
Availability
HighThe component can be taken down completely.

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H. Scored by CNA (qualcomm.com).

Official description

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

Source: the CVE record as published by its numbering authority, via NVD and CVE.org.

The underlying weakness: Improper Verification of Cryptographic Signature

The product does not verify, or incorrectly verifies, the cryptographic signature for data.

More Improper Verification of Cryptographic Signature vulnerabilities (CWE-347)

Timeline

  1. CVE record published.
  2. CISA published its SSVC assessment (exploitation: none, automatable: no, technical impact: total).
  3. Record last changed materially (score, affected products, status or references).

References

Other vulnerabilities in Snapdragon

All Snapdragon vulnerabilities

Recent Improper Verification of Cryptographic Signature vulnerabilities

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