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Acer Connect M6E CVE-2026-49202

| EUVDEUVD-2026-34215 HIGH
Improper Authentication (CWE-287)
2026-06-04 Acer GHSA-hfx8-6pxq-3fx3
Authentication Bypass Connect M6E 5G Portable Wifi Router
8.8
CVSS 4.0 · NVD
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Severity by source

NVD PRIMARY
8.8 HIGH
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/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:L/AT:N/PR:N/UI:N/VC:H/VI:L/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
Low
Privileges Required
None
User Interaction
None
Scope
X

Lifecycle Timeline

2
Analysis Generated
Jun 04, 2026 - 07:32 vuln.today
CVSS changed
Jun 04, 2026 - 07:22 NVD
8.8 (HIGH)

DescriptionCVE.org

Internal multimedia session archives are accessible without authentication, exacerbated by loose Cross-Origin Resource Sharing (CORS) rules that allow cross-site theft.

AnalysisAI

Unauthenticated exposure of internal multimedia session archives in the Acer Connect M6E 5G Portable WiFi Router lets remote attackers retrieve sensitive recorded session data, and overly permissive CORS rules amplify the issue by enabling cross-origin theft from any web context a victim visits. CVSS 4.0 rates this 8.8 (high) with network attack vector, no privileges, and no user interaction; no public exploit identified at time of analysis.

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Reach router network (Wi-Fi or lure victim browser)
Delivery
Discover internal multimedia archive endpoint
Exploit
Issue unauthenticated HTTP request (direct or cross-origin via permissive CORS)
Execution
Receive archive contents in response
Impact
Exfiltrate sensitive session data
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Vulnerability AssessmentAI

Exploitation The victim must be using or connected to an Acer Connect M6E 5G Portable WiFi Router with the internal multimedia session archive feature in use (so archived content exists to steal), and the attacker needs network reach to the router's management/media interface - typically same-Wi-Fi clients, or a browser-based attacker if the victim visits an attacker-controlled site while connected. … 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) indicates network-reachable, low-complexity, unauthenticated exploitation with high confidentiality impact, which aligns with the description of unauthenticated archive access. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario A traveler connects their laptop to an Acer Connect M6E and then browses an attacker-controlled webpage; JavaScript on that page issues fetch() requests to the router's internal multimedia session archive endpoint, and because there is no authentication and CORS permits the cross-origin read, the attacker silently exfiltrates the archived session contents to their own server. Alternatively, any other client on the same Wi-Fi can request the archive endpoint directly with no credentials.
Remediation Patch availability per vendor advisory is referenced via Acer's knowledge base entry at https://community.acer.com/en/kb/articles/19707; administrators should apply the firmware update Acer publishes there as soon as it is available, since an exact fix version is not included in the provided input. … Detailed patch versions, workarounds, and compensating controls in full report.
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Recommended ActionAI

24 hours: Identify and inventory all Acer Connect M6E 5G routers across the organization and document their network locations. …

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

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CVE-2026-49202 vulnerability details – vuln.today
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