CVE-2017-5254: In version 3.5 and prior of Cambium Networks ePMP firmware, the non-administrative users 'installer' and 'home

Q: How do I fix CVE-2017-5254?

epmp 1000 firmware: upgrade to newer than 3.5; epmp 2000 firmware: upgrade to newer than 3.5. Exact commands for each OS are on this page.

Q: Is CVE-2017-5254 being exploited?

CVE-2017-5254 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2017-5254 affect?

CVE-2017-5254 affects epmp 1000 firmware, epmp 2000 firmware. Severity is high (CVSS 8.8). In version 3.5 and prior of Cambium Networks ePMP firmware, the non-administrative users 'installer' and 'home' have the capability of changing passwords for other accounts, including admin, after disabling a client-side protection mechanis

Q: How urgent is CVE-2017-5254?

Priority 61/100. High severity; EPSS top 1%: very likely to be exploited; Public exploit reference

This week

HIGH 8.8UPGRADEUPGRADE

CVE-2017-5254 is a high-severity flaw (CVSS 8.8) affecting epmp 1000 firmware, epmp 2000 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

In version 3.5 and prior of Cambium Networks ePMP firmware, the non-administrative users 'installer' and 'home' have the capability of changing passwords for other accounts, including admin, after disabling a client-side protection mechanism.

Why this priority

High severity
EPSS top 1%: very likely to be exploited
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	52.4% (top 1%)
CISA exploited list	No
Weakness	CWE-284, CWE-269
Published	2017-12-20
Last modified	2026-06-17

Publisher (CNA): Rapid7, Inc. · Vendor: cambiumnetworks

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2017-12-20 22:29 UTCPublished CVE record published
2026-06-17 01:20 UTCUpdated Record last modified

cambiumnetworks epmp 1000 firmware UPGRADE

Affected: <= 3.5

Fixed in: newer than 3.5

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

cambiumnetworks epmp 2000 firmware UPGRADE

Affected: <= 3.5

Fixed in: newer than 3.5

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Metasploit: Cambium ePMP 1000 Account Password Reset

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2017-5254?

epmp 1000 firmware: upgrade to newer than 3.5; epmp 2000 firmware: upgrade to newer than 3.5. Exact commands for each OS are on this page.

Is CVE-2017-5254 being exploited?

CVE-2017-5254 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2017-5254 affect?

CVE-2017-5254 affects epmp 1000 firmware, epmp 2000 firmware. Severity is high (CVSS 8.8). In version 3.5 and prior of Cambium Networks ePMP firmware, the non-administrative users 'installer' and 'home' have the capability of changing passwords for other accounts, including admin, after disabling a client-side protection mechanis

How urgent is CVE-2017-5254?

Priority 61/100. High severity; EPSS top 1%: very likely to be exploited; Public exploit reference

Related CVEs

CVE-2017-7922 HIGH 7.6 MITIGATE MITIGATE An Improper Privilege Management issue was discovered in Cambium Networks ePMP
CVE-2017-7918 MEDIUM 6.8 MITIGATE MITIGATE An Improper Access Control issue was discovered in Cambium Networks ePMP
CVE-2017-5258 MEDIUM 5.4 UPGRADE UPGRADE In version 3.5 and prior of Cambium Networks ePMP firmware, an attacker who knows or can guess the RW communit
CVE-2017-5257 MEDIUM 5.4 UPGRADE UPGRADE In version 3.5 and prior of Cambium Networks ePMP firmware, an attacker who knows (or guesses) the SNMP read/w
CVE-2017-5256 MEDIUM 5.4 UPGRADE UPGRADE In version 3.5 and prior of Cambium Networks ePMP firmware, all authenticated users have the ability to update

References

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