PatchTheCVECVE-2017-5256: In version 3.5 and prior of Cambium Networks ePMP firmware, all authenticated users have the ability to update
CVE-2017-5256 is a medium-severity flaw (CVSS 5.4) 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, all authenticated users have the ability to update the Device Name and System Description fields in the web administration console, and those fields are vulnerable to persistent cross-site scripting (XSS) injection.
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 5.4 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | Required |
| EPSS exploit chance | 0.5% (top 57%) |
| CISA exploited list | No |
| Weakness | CWE-79 |
| Published | 2017-12-20 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
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-2017-5256?
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-2017-5256 being exploited?
CVE-2017-5256 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-2017-5256 affect?
CVE-2017-5256 affects epmp 1000 firmware, epmp 2000 firmware. Severity is medium (CVSS 5.4). In version 3.5 and prior of Cambium Networks ePMP firmware, all authenticated users have the ability to update the Device Name and System Description fields in the web administration console, and those fields are vulnerable to persistent cr
How urgent is CVE-2017-5256?
Priority 30/100. No elevated risk signals yet.
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-2017-5255 HIGH 8.8 UPGRADE UPGRADE In version 3.5 and prior of Cambium Networks ePMP firmware, a lack of input sanitation for certain parameters