Cyber Resilience

CVE-2026-49190

CriticalRCEUpdated

Published: 04 June 2026

Published
04 June 2026
Modified
17 June 2026
KEV Added
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Patch
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CVSS Score v4 9.4 CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/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 0.0043 34.2th percentile
Risk Priority 70 floored blend · peak EPSS

Summary

CVE-2026-49190 is a critical-severity OS Command Injection (CWE-78) vulnerability in Acer Connect M6E 5G Firmware. Its CVSS base score is 9.4 (Critical).

Operationally, exploitation aligns with the MITRE ATT&CK technique Command and Scripting Interpreter (T1059); ranked at the 34.2th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

OWASP Top 10 for Web (2025)

A05:2025 Injection

EU & UK References

Vulnerability details

The system fails to evaluate instructional permissions over multiple internal operation codes (opcodes), permitting unauthorized application installations or command executions.

CWE(s)
CWE-78

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1059 Command and Scripting Interpreter Execution
Adversaries may abuse command and script interpreters to execute commands, scripts, or binaries.
attack.mitre.org →
Why these techniques?

CWE-78 OS command injection directly enables unauthorized command execution, mapping to the Command and Scripting Interpreter technique; no platform or public-facing details provided for subs or T1190.

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

CVEs Like This One

CVE-2026-49185Same product: Acer Connect M6E 5G
CVE-2026-50206Same product: Acer Connect M6E 5G
CVE-2026-49194Same product: Acer Connect M6E 5G
CVE-2026-50207Same product: Acer Connect M6E 5G
CVE-2026-50208Same product: Acer Connect M6E 5G
CVE-2026-49203Same product: Acer Connect M6E 5G
CVE-2026-50213Same product: Acer Connect M6E 5G
CVE-2026-49191Same product: Acer Connect M6E 5G
CVE-2026-49187Same product: Acer Connect M6E 5G
CVE-2026-49188Same product: Acer Connect M6E 5G

Affected Assets

acer
connect m6e 5g firmware
≤ m6e_ai_1.00.000019

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.

SC-27 Platform-independent Applications
addresses: CWE-78

Platform-independent apps typically execute inside a managed runtime or sandbox that restricts direct OS command execution, reducing the ability to exploit OS command injection.

SI-10 Information Input Validation
addresses: CWE-78

Validates inputs to block special elements that would alter OS command execution.

References