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Acer Connect M6E EUVDEUVD-2026-34220

| CVE-2026-50208 CRITICAL
Use of Insufficiently Random Values (CWE-330)
2026-06-04 Acer GHSA-jvr3-h63f-grq7
Information Disclosure Connect M6E 5G Portable Wifi Router
9.2
CVSS 4.0 · NVD
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Severity by source

NVD PRIMARY
9.2 CRITICAL
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:L/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:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:L/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
High
Privileges Required
None
User Interaction
None
Scope
X

Lifecycle Timeline

3
Analysis Generated
Jun 04, 2026 - 11:07 vuln.today
CVSS changed
Jun 04, 2026 - 09:22 NVD
9.2 (CRITICAL)
CVE Published
Jun 04, 2026 - 07:09 nvd
UNKNOWN (no severity yet)

DescriptionCVE.org

High-risk TrustAllCerts routines disable standard TLS certificate validation. Combined with hard-coded DES symmetric encryption keys, a Man-in-the-Middle (MITM) actor could decrypt network traffic.

AnalysisAI

Cryptographic weaknesses in the Acer Connect M6E 5G Portable WiFi Router (firmware versions through M6E_AI_1.00.000019) combine TrustAllCerts routines that bypass TLS certificate validation with hard-coded DES symmetric encryption keys, enabling a network-positioned attacker to decrypt traffic between the device and its backend services. CVSS 4.0 rates this 9.2 (Critical) given the unauthenticated network attack surface and high confidentiality/integrity impact, though attack complexity is rated High due to the MITM positioning requirement. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Gain MITM position on router traffic path
Delivery
Extract hard-coded DES key from firmware sample
Exploit
Present forged TLS certificate to router
Execution
TrustAllCerts accepts forged cert
Persist
Decrypt captured DES-protected payloads
Impact
Recover sensitive configuration and credentials
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Vulnerability AssessmentAI

Exploitation Exploitation requires that the attacker achieve a Man-in-the-Middle network position on a path used by the Acer Connect M6E 5G Portable WiFi Router's outbound TLS traffic - for example, control of an upstream Wi-Fi access point, ARP/DHCP spoofing on the LAN segment the router connects through, BGP/routing manipulation, or a malicious carrier/transit path. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The signals are mixed and warrant careful interpretation. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker on the same Wi-Fi network as the router, on the upstream carrier path, or in any intermediate network position intercepts the device's outbound TLS connections to Acer cloud/management endpoints. Because TrustAllCerts disables certificate validation, the attacker's substituted certificate is accepted silently; any application-layer traffic protected only by the hard-coded DES key can then be decrypted offline using the key extracted from a sibling device's firmware. …
Remediation Consult Acer's advisory at https://community.acer.com/en/kb/articles/19707 and update the Acer Connect M6E firmware to the version released after M6E_AI_1.00.000019; an exact fix version is not independently confirmed from the input data, so verify the patched build number against Acer's KB article before deploying. … Detailed patch versions, workarounds, and compensating controls in full report.
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Recommended ActionAI

24 hours: Conduct complete inventory of all Acer Connect M6E 5G devices, documenting firmware versions and network locations. …

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

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EUVD-2026-34220 vulnerability details – vuln.today
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