Firmware Theft & IMEI Spoofing via Connect-OTA

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Summary

CVECVE-2026-50226
StatePUBLISHED
AssignerAcer
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-06-04 10:16:40 UTC
Updated2026-06-04 15:10:32 UTC
DescriptionFixed AES-128-CBC keys inside the AcerConnect OTA application let attackers forge authorization credentials for arbitrary IMEI numbers. This allows unauthorized actors to list catalog items and extract protected binaries from pre-signed cloud links.

Risk And Classification

Primary CVSS: v4.0 6.9 MEDIUM from 8fc372e3-d9c5-46e4-9410-38469745c639

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/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

EPSS: 0.000410000 probability, percentile 0.127150000 (date 2026-06-04)

Problem Types: CWE-321 | CWE-321 CWE-321: Use of Hard-coded Cryptographic Key

VersionSourceTypeScoreSeverityVector
4.08fc372e3-d9c5-46e4-9410-38469745c639Secondary6.9MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/C...
4.0CNACVSS6.9MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

CVSS v4.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Sub Conf.
None
Sub Integrity
None
Sub Availability
None

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Acer Connect M6E 5G Portable WiFi Router affected * M6E_AI_1.00.000019 custom Not specified

References

ReferenceSourceLinkTags
community.acer.com/en/kb/articles/19707 8fc372e3-d9c5-46e4-9410-38469745c639 community.acer.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Ta-Lun Yen (en)

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