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Vulnerability record · CVE-2026-22097 · published 13 July 2026

CVE-2026-22097: Improper verification of cryptographic signature vulnerability

The firmware update mechanism does not include cryptographic signature validation. This allows anyone with access to the firmware update capability to upload arbitrary files which can then lead to arbitrary code execution.

9.3 CVSS 4.0 Critical EPSS 0.33% · top 75.8% CWE-347 · Improper verification of cryptographic signature Deferred
9.3CVSS 4.0 base score
0.33%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
1References
13 Jul 2026Last modified by NVD

Description

The firmware update mechanism does not include cryptographic signature validation. This allows anyone with access to the firmware update capability to upload arbitrary files which can then lead to arbitrary code execution.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
https://csirt.divd.nl/DIVD-2026-00001/

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Source: NIST National Vulnerability Database (record CVE-2026-22097), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.