CVE-2026-49186: high-severity vulnerability in Acer Connect M6E 5G Portable WiFi Router
Lack of MQTT Broker Topic Access Control Lists
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.6epss 0.3%
The local MQTT broker does not enforce topic-level Access Control Lists (ACLs). This allows any client to subscribe using wildcard characters (# or +) to enumerate hidden network devices or publish rogue control commands.
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Affected products
Acer · Connect M6E 5G Portable WiFi RouterRelated CVEs — Acer Connect M6E 5G Portable WiFi Router
In the same product, most dangerous first.
CVE-2026-50206HIGHVPN Command Injection VulnerabilityEPSS 0.7%CVE-2026-49190CRITICALMissing Per-Instruction Authorization ChecksEPSS 0.4%CVE-2026-49185CRITICALInstruction Injection via FieldX MDMEPSS 0.4%CVE-2026-49188HIGHElevated Root Command Execution via ai_cmd SocketsEPSS 0.3%CVE-2026-49191CRITICALExposed Hard-coded M3WebServer Backend API KeyEPSS 0.3%CVE-2026-50211HIGHExposed Factory Testing App BoundariesEPSS 0.3%