Signature Detail

HTTP: Cambium Networks ePMP Command Injection

This signature detects attempts to exploit a known vulnerability against cambium networks epmp. Successful attack could lead to command injection.

Extended Description

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.

Affected Products

• Cambiumnetworks epmp_1000_firmware 3.5
• Cambiumnetworks epmp_2000_firmware 3.5

References

• CVE: CVE-2017-5255
• URL: https://blog.rapid7.com/2017/12/19/r7-2017-25-cambium-epmp-and-cnpilot-multiple-vulnerabilities
• URL: https://support.cambiumnetworks.com/file/476262a0256fdd8be0e595e51f5112e0f9700f83