Missing firmware validation allows remote code execution (CVE-2026-22097) | HOL Guard CVE

Critical · CVSS 9.3CVE-2026-22097

Missing firmware validation allows remote code execution

Answer in brief

CVE-2026-22097 records a Critical severity (CVSS 9.3) vulnerability in Missing firmware validation allows remote code execution. The current sources do not mark it as known exploited. The current feed maps EVbee/DC-80 (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Jul 13, 2026Updated Jul 16, 2026Source checked Sep 19, 2026First seen by HOL Jul 13, 2026Material review Jul 16, 2026

Upstream Advisory

Key facts

Risk: Critical · CVSS 9.3
Exploitation: Not marked as known exploited
Affected software: 1 mapped package or product
Fix availability: Available

Why this deserves its current priority

CVSS is 9.3. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps EVbee/DC-80 (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
EVbee/DC-80generic	>=0 <1.5.1	1.5.1

Recommended response

Check inventory. Check lockfiles and deployed manifests for EVbee/DC-80.
Review the reported fix. Update EVbee/DC-80 to 1.5.1 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

Published upstream
Jul 13, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Jul 16, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Jul 13, 2026

Sources and claim methodology

Source referencecsirt.divd.nl

Upstream source 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.

Quoted source text, attributed separately from HOL analysis.