In version 3.5 and prior of Cambium Networks ePMP firmware, a lack of input sanitation for certain parameters on the web management console allows any authenticated user (including the otherwise low-privilege readonly user) to inject shell meta-characters as part of a specially-crafted POST request to the get_chart function and run OS-level commands, effectively as root.
[
{
"product": "ePMP",
"vendor": "Cambium Networks",
"versions": [
{
"status": "affected",
"version": "3.5 and prior"
}
]
}
]