Cyber Resilience

CVE-2026-9037

CriticalUpdated

Published: 28 May 2026

Published
28 May 2026
Modified
17 June 2026
KEV Added
Patch
CVSS Score v4 9.3 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/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:X/V:X/RE:X/U:X
EPSS Score 0.0025 15.7th percentile
Risk Priority 70 floored blend · peak EPSS

Summary

CVE-2026-9037 is a critical-severity Download of Code Without Integrity Check (CWE-494) vulnerability in Cisa (inferred from references). Its CVSS base score is 9.3 (Critical).

Operationally, exploitation aligns with the MITRE ATT&CK technique System Firmware (T1542.001); ranked at the 15.7th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

OWASP Top 10 for Web (2025)

EU & UK References

Vulnerability details

A firmware update mechanism in the affected charging controller fails to validate the authenticity of firmware packages delivered through the device's management interface. Because cryptographic signatures are not verified, an attacker with the ability to interfere with or impersonate the…

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management channel could cause the device to install an unauthorized firmware package. This condition could allow execution of unauthorized code with high privileges on the device.

CWE(s)

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1542.001 System Firmware Stealth
Adversaries may modify system firmware to persist on systems.
Why these techniques?

Vulnerable firmware update mechanism without signature verification directly enables installation of malicious system firmware (T1542.001).

Confidence: MEDIUM · MITRE ATT&CK Enterprise v19.0

Affected Assets

Cisa
inferred from references and description; NVD did not file a CPE for this CVE

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-494

Policies can require integrity verification of software prior to installation, reducing risks from unverified downloads.

addresses: CWE-494

Blocks installation of components lacking a valid signature, mitigating download or installation of code without integrity checks.

addresses: CWE-494

Acquisition and maintenance portions of the strategy drive requirements for integrity verification of downloaded or supplied code.

addresses: CWE-494

Mandating integrity control and approved-only changes during development prevents incorporation of code or components lacking integrity validation.

addresses: CWE-494

Supply chain protection requires integrity verification of acquired components, directly reducing insertion or tampering of malicious code during delivery.

addresses: CWE-494

Reduces exposure to code obtained without integrity verification by requiring assurance processes that confirm authenticity and absence of tampering.

addresses: CWE-494

Tamper resistance and detection commonly include integrity verification of code and firmware obtained from external sources.

addresses: CWE-494

Component authenticity requires verifying origin/integrity of acquired firmware or software, directly preventing inclusion of code without integrity checks.

References