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PatchSiren cyber security CVE debrief

CVE-2026-50210 Acer CVE debrief

CVE-2026-50210 is a vulnerability in Acer Connect M6E 5G firmware. The device encrypts data using AES-CBC with static zero-filled Initialization Vectors (IVs), making it susceptible to replay attacks and known-plaintext decryption. This vulnerability has a CVSS score of 6.9 and a severity of MEDIUM.

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

Administrators and users of Acer Connect M6E 5G devices should be aware of this vulnerability and take necessary precautions to mitigate the risk.

Technical summary

The vulnerability is caused by the use of static zero-filled Initialization Vectors (IVs) in AES-CBC encryption, which makes the device susceptible to replay attacks and known-plaintext decryption.

Defensive priority

MEDIUM

Recommended defensive actions

  • Apply patches or updates provided by the vendor (see resourceLinkAnnotations 'ref-4')
  • Review and update security configurations to ensure best practices are followed

Evidence notes

The vulnerability is confirmed by the vendor and has been analyzed by official vulnerability databases.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-50210 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-50210

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

  • CVE-2026-50210 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-50210

    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.