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Vulnerability record · CVE-2017-5258 · published 20 December 2017

CVE-2017-5258: Cambiumnetworks epmp 1000 firmware cross-site scripting vulnerability

Cambiumnetworks · Epmp 1000 Firmware

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.

5.4 CVSS 3.0 Medium EPSS 0.54% · top 56.6% CWE-79 · Cross-site scripting
5.4CVSS 3.0 base score, v2 3.5
0.54%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

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.

CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.8CVE-2017-5254Cambium ePMP firmware privilege escalation via client-side password change bypassCambium Networks ePMP firmware version 3.5 and earlier allows non-administrative users 'installer' and 'home' to change passwords for other accounts,…EPSS 54%analysed8.8CVE-2017-5255Cambium ePMP firmware command injection in get_chart web consoleCambium Networks ePMP firmware version 3.5 and prior fails to sanitize certain parameters on the web management console. Any authenticated user, incl…EPSS 74%analysed5.4CVE-2017-5256Cambiumnetworks epmp 1000 firmware cross-site scripting vulnerabilityIn version 3.5 and prior of Cambium Networks ePMP firmware, all authenticated users have the ability to update the Device Name and System Description…EPSS 0.50%5.4CVE-2017-5257Cambiumnetworks epmp 1000 firmware cross-site scripting vulnerabilityIn version 3.5 and prior of Cambium Networks ePMP firmware, an attacker who knows (or guesses) the SNMP read/write (RW) community string can insert X…EPSS 0.52%6.1CVE-2026-42897Microsoft Exchange Server XSS enables spoofingMicrosoft Exchange Server and Exchange Server Subscription Edition fail to neutralize input during web page generation, a cross-site scripting flaw (…KEVEPSS 0.52%analysed6.1CVE-2025-48700Zimbra Classic UI stored XSS via crafted email HTMLZimbra Collaboration Suite Classic UI fails to properly sanitize HTML content in email messages, allowing crafted tag structures and attribute values…KEVEPSS 1.7%analysed6.1CVE-2025-66376Zimbra Collaboration Classic UI stored XSS via CSS @import in emailZimbra Collaboration Suite 10 before 10.0.18 and 10.1 before 10.1.13 allows stored cross-site scripting in the Classic UI through CSS @import directi…KEVEPSS 20%analysed6.1CVE-2025-68461Roundcube Webmail XSS via SVG animate tagRoundcube Webmail before 1.5.12 and 1.6 before 1.6.12 is vulnerable to cross-site scripting through the animate tag in an SVG document. Because the f…KEVEPSS 27%analysed

Source: NIST National Vulnerability Database (record CVE-2017-5258), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.