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CVE-2026-50226: Fixed AES-128-CBC keys inside the AcerConnect OTA application let attackers forge authorization credentials fo

26
Routine
MEDIUM 5.3REMOTEUPGRADE

CVE-2026-50226 is a medium-severity flaw (CVSS 5.3) affecting connect m6e 5g firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Fixed 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.

Why this priority

  • Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score5.3 (Medium)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededNone
User interactionNone
EPSS exploit chance0.2% (top 92%)
CISA exploited listNo
WeaknessCWE-321
Published2026-06-04
Last modified2026-07-22
Publisher (CNA): Acer · Vendor: acer

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Last updated 2026-07-22 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

acer connect m6e 5g firmware UPGRADE
Affected: <= m6e_ai_1.00.000019
Fixed in: newer than m6e_ai_1.00.000019
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-50226?

connect m6e 5g firmware: upgrade to newer than m6e_ai_1.00.000019. Exact commands for each OS are on this page.

Is CVE-2026-50226 being exploited?

CVE-2026-50226 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-50226 affect?

CVE-2026-50226 affects connect m6e 5g firmware. Severity is medium (CVSS 5.3). Fixed 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 clo

How urgent is CVE-2026-50226?

Priority 26/100. Remotely exploitable, no login, no user action

Related CVEs

References

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