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CVE-2026-50211

HIGH 8.8

Published 2026-06-04 · Last modified 2026-06-04

Leftover engineering diagnostics and factory-level diagnostic software remain exposed on retail builds, giving malicious apps write privileges to internal NVRAM registers.

ELEVATED IMPACT

Severe if exploited (CVSS 8.8), but no known exploitation and low modeled probability. Patch on a normal cadence.

Exploitation likelihood

0.3%chance of exploitation in 30 days · 21st percentile

○ In CISA KEV ○ Public exploit / PoC

Impact if exploited

8.8CVSS 4.0 · HIGH

  • ConfidentialityHigh
  • IntegrityLow
  • AvailabilityHigh

What an attacker needs

  • ✓Access: Reachable over the network — no local access needed
  • ✓Privileges: No account or privileges required
  • ✓User interaction: No user interaction needed
  • ✓Complexity: No special conditions — reliably repeatable
  • ✓Requirements: No special attack requirements

✓ lowers the bar for an attacker · ⚠ raises it

Affected

Vendors Acer

Products Connect M6e 5g Portable Wifi Router

Weakness (CWE)

  • CWE-134

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:H/SC:N/SI:N/SA:N

References

Technical & other

Sources: NVD · CVE.org · EPSS