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Acer Connect M6E CVE-2026-50214

| EUVDEUVD-2026-34228 CRITICAL
Insufficient Verification of Data Authenticity (CWE-345)
2026-06-04 Acer GHSA-w6gp-x68f-qxch
Information Disclosure Connect M6E 5G Portable Wifi Router
9.3
CVSS 4.0 · NVD
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Severity by source

NVD PRIMARY
9.3 CRITICAL
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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
X

Lifecycle Timeline

3
Analysis Generated
Jun 04, 2026 - 12:21 vuln.today
CVSS changed
Jun 04, 2026 - 10:22 NVD
9.3 (CRITICAL)
CVE Published
Jun 04, 2026 - 09:20 nvd
UNKNOWN (no severity yet)

DescriptionCVE.org

The /v1/Plan service relies entirely on a shared global API token for full administrative management, allowing arbitrary creation of zero-cost network access plans.

AnalysisAI

Authentication bypass in the Acer Connect M6E 5G Portable WiFi Router (firmware ≤ M6E_AI_1.00.000019) allows remote attackers to abuse a hardcoded global API token guarding the /v1/Plan service, granting full administrative control over network access plans. Unauthenticated attackers can create arbitrary zero-cost plans, effectively bypassing billing and access controls. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Reach M6E management API over Wi-Fi
Delivery
Recover shared global API token from app/firmware
Exploit
Send crafted POST to /v1/Plan
Execution
Provision arbitrary zero-cost access plan
Impact
Obtain free/unmetered 5G connectivity
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Vulnerability AssessmentAI

Exploitation Exploitation requires network reachability to the Acer Connect M6E's /v1/Plan management endpoint and knowledge (or recovery) of the shared global API token embedded for administrative use; no per-user credentials, MFA, user interaction, or non-default configuration is needed because the token is the sole authentication factor on a default-enabled service. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 4.0 vector (AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H) describes a network-reachable, low-complexity, unauthenticated attack with high confidentiality, integrity, and availability impact on the vulnerable component - a textbook critical finding. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker associated to (or otherwise able to reach) the Acer Connect M6E's management API extracts the hardcoded global API token - for example by reverse-engineering the companion mobile app or sniffing a legitimate session - and sends crafted POSTs to /v1/Plan to provision unlimited zero-cost access plans for themselves or others. This effectively yields free 5G connectivity and undermines any quota, billing, or access-control logic the device enforces. …
Remediation Consult the Acer advisory at https://community.acer.com/en/kb/articles/19707 for the vendor-supplied fix; the public input data does not enumerate a specific patched firmware build, so this should be treated as 'Patch available per vendor advisory' pending confirmation of the exact post-M6E_AI_1.00.000019 release. … Detailed patch versions, workarounds, and compensating controls in full report.
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Recommended ActionAI

Within 24 hours: Inventory all Acer Connect M6E 5G devices in production infrastructure and identify their current firmware versions; assess network exposure of affected units. …

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Threat intelligence, references, and detailed analysis are available after sign-in.

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CVE-2026-50214 vulnerability details – vuln.today
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