VulnTideExploited vulnerabilities, by vendor. Data as of .
Not in CISA KEVPublished CVSS 9.8 criticalEPSS 0.5% probability of exploitation in 30 days
Qualcomm

CVE-2026-25254: Improper authorization in Qualcomm Software Center

Is it exploited?

Not on CISA's list. CISA has not added it to the Known Exploited Vulnerabilities catalog as of . If CISA adds it, this page shows it as known exploited.

How likely is exploitation in the next 30 days?
0.5%

Up from 0.3% on .

EPSS score, percentile 40.4 of all scored records. A probability estimated by FIRST, not a report of exploitation.

How severe?
9.8 Critical

CVSS v3.1 base score, given by the CNA

What should I do?

CISA has set no required action, because the vulnerability is not in KEV.

The CVE record links no vendor advisory, patch or mitigation.

Which versions are affected?

Affected

  • QSCv1.17.1
  • QSCv1.19.1
  • QSCv1.21.0

Versions by product

Source: CISA KEV 2026.10.29, as of ; FIRST EPSS, as of ; CVE List, as of . About the data.

What to do

Advisories and patches

The CVE record links no vendor advisory, patch or mitigation.

This summary is based on the CVE record as of . Check the vendor's advisory before you act: affected versions and fixes can change.

Affected products and versions

As listed in the CVE record.

Qualcomm, Inc. Snapdragon
StatusVersions
AffectedQSCv1.17.1
AffectedQSCv1.19.1
AffectedQSCv1.21.0

Versions not listed are: unaffected.

Source: CVE List, as of . About the data.

About this vulnerability

Improper authorization leads to Remote Code Execution via SocketIO interface.

Summary: CVE record, as of .

  • CISA has not added CVE-2026-25254 to its Known Exploited Vulnerabilities (KEV) catalog, as of 29 Oct 2026.
  • The CVE record was published on 22 Sep 2026.
  • The CVE record carries a CVSS v3.1 base score of 9.8 (Critical), given by its CNA.
  • FIRST's EPSS model puts the probability of exploitation in the next 30 days at 0.5% (percentile 40.4), as of 29 Oct 2026. EPSS is a statistical estimate, not a report of exploitation.
  • CISA's SSVC assessment in the CVE record: exploitation none, automatable yes, technical impact total.

Source: CISA KEV 2026.10.29, as of ; CVE List, as of ; FIRST EPSS, as of . About the data.

Description

Improper authorization in Qualcomm Software Center

Improper authorization leads to Remote Code Execution via SocketIO interface.

Source: CVE List, as of . About the data.

Weakness

CWE-285

CWE and CAPEC are maintained by MITRE; the entries are those named in the CVE record.

Timeline

DateEvent
CVE record published

References

1

Known exploited Qualcomm vulnerabilities

  • CVE-2026-21385: Qualcomm Multiple Chipsets Memory Corruption Vulnerability (added )
  • CVE-2025-21479: Qualcomm Multiple Chipsets Incorrect Authorization Vulnerability (added )
  • CVE-2025-21480: Qualcomm Multiple Chipsets Incorrect Authorization Vulnerability (added )
  • CVE-2025-27038: Qualcomm Multiple Chipsets Use-After-Free Vulnerability (added )
  • CVE-2024-43047: Qualcomm Multiple Chipsets Use-After-Free Vulnerability (added )