Cyber Resilience

CVE-2026-9054

Critical

Published: 22 May 2026

Published
22 May 2026
Modified
22 May 2026
KEV Added
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Patch
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CVSS Score v4 9.2 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:A/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:Y/R:A/V:X/RE:X/U:X
EPSS Score 0.0029 20.9th percentile
Risk Priority 70 floored blend · peak EPSS

Summary

CVE-2026-9054 is a critical-severity Improper Handling of Length Parameter Inconsistency (CWE-130) vulnerability in 9Front (inferred from references). Its CVSS base score is 9.2 (Critical).

Operationally, exploitation aligns with the MITRE ATT&CK technique Application or System Exploitation (T1499.004); ranked at the 20.9th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

An attacker sending tcp, il, rudp, rudp, or gre packets with a length less than the header size would trigger a kernel panic.

CWE(s)
CWE-130

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1499.004 Application or System Exploitation Impact
Adversaries may exploit software vulnerabilities that can cause an application or system to crash and deny availability to users.
attack.mitre.org →
Why these techniques?

Malformed packet handling triggers kernel panic, directly enabling Endpoint DoS via system exploitation.

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

Affected Assets

9Front
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inferred from references and description; NVD did not file a CPE for this CVE

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References