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

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MEDIUM

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

Published Dec 20, 2017

5.4

MEDIUM

CVSS 3.0

EPSS 0.54%

Description

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.

Affected products

Vendor Cambium Networks Product ePMP Default
n/a
- Version
  3.5 and prior
  Status
  affected
  Constraints
  -

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

Cambium Networks

ePMP

n/a

Version	Status	Constraints
3.5 and prior	affected	-

Remediation

No remediation recorded yet.

Metrics

0.54% 0.00543

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.00543

Score over time

2021–2026

EPSS v1
EPSS v5
EPSS v2
EPSS v3

Percentile over time

EPSS v1
EPSS v5
EPSS v2
EPSS v3

Table of values (9 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	0.54% (0.00543)	43.56th	v5 (v2026.06.15)
Sep 20, 2026	0.54% (0.00543)	44.52th	v5 (v2026.06.15)
Jul 20, 2024	0.05% (0.00047)	17.87th	v3 (v2023.03.01)
May 22, 2024	0.05% (0.00047)	17.00th	v3 (v2023.03.01)
Mar 7, 2023	0.05% (0.00048)	14.92th	v3 (v2023.03.01)
Mar 6, 2023	0.89% (0.00885)	27.89th	v2 (v2022.01.01)
Feb 4, 2022	0.89% (0.00885)	10.50th	v2 (v2022.01.01)
Feb 3, 2022	0.42% (0.00416)	10.04th	v5 (v2026.06.15)
Apr 14, 2021	0.42% (0.00416)	0.00th	v1

Weaknesses (1)

CWE-79

Cross-site Scripting (XSS)

References (1)

https://blog.rapid7.com/2017/12/19/r7-2017-25-cambium-epmp-and-cnpilot-multiple-vulnerabilities/
x_refsource_MISCExploitThird Party AdvisoryVDB Entry

Link	Providers	Tags
https://blog.rapid7.com/2017/12/19/r7-2017-25-cambium-epmp-and-cnpilot-multiple-vulnerabilities/		x_refsource_MISCExploitThird Party AdvisoryVDB Entry

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner rapid7

Published Dec 20, 2017

Updated Aug 5, 2024

Reserved Jan 9, 2017

Link CVE-2017-5258

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 17, 2026

Link CVE-2017-5258

Red Hat

Severity n/a

Public date n/a

Links CVE-2017-5258