What is CVE-2017-5258?

CVE-2017-5258 is a medium-severity vulnerability in Cambium Networks Epmp, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2017-12-20.

How severe is CVE-2017-5258?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Cambium Networks Epmp

CVE-2017-5258

In version 3.5 and prior of Cambium Networks ePMP firmware, an attacker who knows or can guess the RW community string can provide a URL for a configuration file over SNMP with XSS strings in certain SNMP OIDs, serve it via HTTP, and the affected device will perform a configuration restore using the attacker's supplied config file, including the inserted XSS strings.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2017-12-20 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.005 (43.4th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 43rd percentile — 43.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Cambium Networks Epmp — versions 3.5 and prior
Cambiumnetworks Epmp 1000
Cambiumnetworks Epmp 1000 Firmware
Cambiumnetworks Epmp 2000
Cambiumnetworks Epmp 2000 Firmware

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

blog.rapid7.com/2017/12/19/r7-2017-25-cambium-epmp-and-cnpilot-multiple-vulnera… (Exploit, VDB Entry, Third Party Advisory)

Frequently asked questions

What is CVE-2017-5258?: CVE-2017-5258 is a medium-severity vulnerability in Cambium Networks Epmp, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2017-12-20.
How severe is CVE-2017-5258?: Medium severity. CVSS v3 base score is 5.4 out of 10.