Incorrect authorization in PLC FW

published 2026-05-04 6 mo ago modified 2026-10-26 13 d ago also EUVD-2026-26992

cvss: 9.6; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 7%
public exploits: 0; none known

Buffer overflow due to incorrect authorization in PLC FW

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 6 mo ago (2026-05-04)

Exploit prediction

0.18% chance of exploitation in the next 30 days, higher than 7% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	9.6	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
NVD	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Qualcomm, Inc. Snapdragon

Classification

Weakness

CWE-863 Incorrect Authorization

References

docs.qualcomm.com /product/publicresources/securitybulletin/may-2026-bulletin.html
vendor-advisory

Sources

CVE List CVE-2026-25293
NVD CVE-2026-25293

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Summary