Review reviewCritical

CVE-2026-49191

Acer Connect M6E 5G Portable WiFi Router, connect m6e 5g firmware, connect m6e 5g

The production build of the M3WebServer hard-codes its backend API keys, which can be easily intercepted through verbose error handling pages.

CVSS
9.3
EPSS
0.29%
21.5% percentile
CISA KEV
Not listed
Published
2026.06.04
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.29%
Technical severityCVSS 9.3

Vulnerability overview

The production build of the M3WebServer hard-codes its backend API keys, which can be easily intercepted through verbose error handling pages.

Affected product and versions

Product
Acer Connect M6E 5G Portable WiFi Router, connect m6e 5g firmware, connect m6e 5g
Affected versions
<= M6E_AI_1.00.000019
Fixed versions
No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Acer Connect M6E 5G Portable WiFi Router, connect m6e 5g firmware, connect m6e 5g and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
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
CWE
CWE-287
CVE-2026-49191 — Acer Connect M6E 5G Portable WiFi Router, connect m6e 5g firmware, connect m6e 5g | SECUFOCUS NOW