Cyber Resilience

CVE-2026-49188

HighUpdated

Published: 04 June 2026

Published
04 June 2026
Modified
17 June 2026
KEV Added
—
Patch
—
CVSS Score v4 8.7 CVSS:4.0/AV:A/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 0.0032 23.6th percentile
Risk Priority 55 floored blend · peak EPSS

Summary

CVE-2026-49188 is a high-severity Active Debug Code (CWE-489) vulnerability in Acer Connect M6E 5G Firmware. Its CVSS base score is 8.7 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 23.6th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

OWASP Top 10 for Web (2025)

A02:2025 Security Misconfiguration

EU & UK References

Vulnerability details

The ai_cmd utility executes with full root permissions. It pipes socket inputs directly to popen(), paving the way for unauthenticated users to execute arbitrary root commands.

CWE(s)
CWE-489

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1190 Exploit Public-Facing Application Initial Access
Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.
attack.mitre.org →
Why these techniques?

Direct unauthenticated remote command execution via exposed socket to popen() as root matches T1190.

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

CVEs Like This One

CVE-2026-49186Same product: Acer Connect M6E 5G
CVE-2026-49185Same product: Acer Connect M6E 5G
CVE-2026-50211Same product: Acer Connect M6E 5G
CVE-2026-49190Same 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-2026-50209Same product: Acer Connect M6E 5G
CVE-2026-49189Same product: Acer Connect M6E 5G
CVE-2026-50212Same 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-25 Thin Nodes
addresses: CWE-489

Minimal functionality precludes inclusion of active debug code or diagnostic interfaces.

References