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CVE-2026-49199

CRITICAL 10

Published 2026-05-29 · Last modified 2026-05-29

Crafted MQTT messages can trigger command injection, resulting in root-level code execution on the target device.

ELEVATED IMPACT

Severe if exploited (CVSS 10), but no known exploitation and low modeled probability. Patch on a normal cadence.

Exploitation likelihood

1.3%chance of exploitation in 30 days · 68th percentile

○ In CISA KEV ○ Public exploit / PoC

Impact if exploited

10CVSS 4.0 · CRITICAL

  • ConfidentialityHigh
  • IntegrityHigh
  • 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 Predator Connect W6x

Weakness (CWE)

  • CWE-77: Command injection

CVSS vector

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

References

Technical & other

Sources: NVD · CVE.org · EPSS