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Vulnerability record · CVE-2026-49194 · published 4 June 2026

CVE-2026-49194: Acer connect m6e 5g firmware improper authentication vulnerability

Acer · Connect M6e 5g Firmware

The debugging routine SCREEN_CLICK(5053) enables a connection to skip the standard device login prompt entirely and directly enter an interactive shell interface.

9.4 CVSS 4.0 Critical EPSS 0.42% · top 66.5% CWE-287 · Improper authentication
9.4CVSS 4.0 base score
0.42%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References
22 Jul 2026Last modified by NVD

Description

The debugging routine SCREEN_CLICK(5053) enables a connection to skip the standard device login prompt entirely and directly enter an interactive shell interface.

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:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://community.acer.com/en/kb/articles/19707 MitigationVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2026-49185Acer connect m6e 5g firmware os command injection vulnerabilityThe FieldX MDM adb messaging topic passes unverified payloads directly into Runtime.exec(), allowing command/instruction injection.EPSS 0.56%9.4CVE-2026-49190Acer connect m6e 5g firmware os command injection vulnerabilityThe system fails to evaluate instructional permissions over multiple internal operation codes (opcodes), permitting unauthorized application installa…EPSS 0.81%9.3CVE-2026-50214Acer connect m6e 5g firmware insufficient verification of data authenticity vulnerabilityThe /v1/Plan service relies entirely on a shared global API token for full administrative management, allowing arbitrary creation of zero-cost networ…EPSS 0.25%9.3CVE-2026-50209Acer connect m6e 5g firmware incorrect permission assignment vulnerabilityBroadcast events allow malicious software to rewrite the device's default Mobile Device Management (MDM) endpoint address, shifting administrative ow…EPSS 0.14%9.3CVE-2026-49191Acer connect m6e 5g firmware improper authentication vulnerabilityThe production build of the M3WebServer hard-codes its backend API keys, which can be easily intercepted through verbose error handling pages.EPSS 0.53%9.2CVE-2026-50208Acer connect m6e 5g firmware vulnerabilityHigh-risk TrustAllCerts routines disable standard TLS certificate validation. Combined with hard-coded DES symmetric encryption keys, a Man-in-the-Mi…EPSS 0.24%8.8CVE-2026-50225Acer connect m6e 5g firmware missing authentication for critical function vulnerabilityThe registration path /v1/account/register provides no bot mitigation mechanisms, allowing malicious automated systems to flood the database.EPSS 0.44%8.8CVE-2026-50211Acer connect m6e 5g firmware vulnerabilityLeftover engineering diagnostics and factory-level diagnostic software remain exposed on retail builds, giving malicious apps write privileges to int…EPSS 0.52%

Source: NIST National Vulnerability Database (record CVE-2026-49194), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.