CVE-2026-50226Network attack vector

Firmware disclosure via hard-coded OTA cryptographic keys

Published Jun 4, 2026 · Updated Jun 4, 2026

Hard-coded keys in Acer Connect M6E 5G Mobile WiFi firmware M6E_AI_1.00.000019 and earlier allow remote attackers to download protected binaries. The AcerConnect OTA application embeds fixed AES-128-CBC keys, enabling forged authorization credentials for arbitrary IMEI numbers and catalog enumeration. No authentication or user interaction is required; possession of the embedded keys enables access to pre-signed cloud download links, while the published impact is limited to confidentiality.

CVSS severity6.9
Medium
EPSS probability0.19%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Hard-coded keys in Acer Connect M6E 5G Mobile WiFi firmware M6E_AI_1.00.000019 and earlier allow remote attackers to download protected binaries. The AcerConnect OTA application embeds fixed AES-128-CBC keys, enabling forged authorization credentials for arbitrary IMEI numbers and catalog enumeration. No authentication or user interaction is required; possession of the embedded keys enables access to pre-signed cloud download links, while the published impact is limited to confidentiality.

The record

CVE
CVE-2026-50226
Published
Jun 4, 2026
Updated
Jun 4, 2026
Vendor
Acer Inc.
Product
Acer Connect M6E 5G Mobile WiFi
Classifications
CWE-321, CAPEC-204, T1552.001
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jun 4, 2026CVE publishedPublication date reported by the CVE source.
  2. Jun 4, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=* <=M6E_AI_1.00.000019

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Acer Inc. · Acer Connect M6E 5G Mobile WiFiversion=* <=M6E_AI_1.00.000019

Published CVSS scores

6.9AcerCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
5.3NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-321Use of Hard-coded Cryptographic Key
CAPEC-204Lifting Sensitive Data Embedded in Cache
T1552.001Unsecured Credentials: Credentials In Files

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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