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PatchSiren cyber security CVE debrief

CVE-2026-50226 Acer CVE debrief

The AcerConnect OTA application had a security issue (CVE-2026-50226) where fixed AES-128-CBC keys were used, allowing attackers to forge authorization credentials for any IMEI number. This vulnerability, with a CVSS score of 6.9, enabled unauthorized actors to list catalog items and extract protected binaries from pre-signed cloud links.

Vendor
Acer
Product
Connect M6E 5G Portable WiFi Router
CVSS
MEDIUM 6.9
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-04
Original CVE updated
2026-07-22
Advisory published
2026-06-04
Advisory updated
2026-07-22

Who should care

Users of Acer's Connect M6E 5G devices and administrators of networks where these devices are used.

Technical summary

The vulnerability (CVE-2026-50226) was caused by the use of fixed AES-128-CBC keys in the AcerConnect OTA application. This allowed attackers to forge authorization credentials for arbitrary IMEI numbers, potentially leading to unauthorized access to sensitive information.

Defensive priority

MEDIUM

Recommended defensive actions

  • Apply patches or updates provided by Acer to fix the vulnerability.
  • Use secure authentication mechanisms and validate IMEI numbers properly.
  • Monitor for suspicious activity related to AcerConnect OTA application and IMEI numbers.

Evidence notes

Evidence from NVD (National Vulnerability Database) and Acer's official advisory.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-50226 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-50226

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-50226 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-50226

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

  • Mitigation or vendor reference

    Unverified legacy reference

    URL: https://community.acer.com/en/kb/articles/19707

    8fc372e3-d9c5-46e4-9410-38469745c639 - Mitigation, Vendor Advisory

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.