Cross-site scripting in Cambium Networks ePMP
Priority LOW 25CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-79.
Summary
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.
Why it matters now
EPSS 0.00543 45th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Cambium Networks | ePMP | up to 3.5 | — | No fix listed | CNA |
- ePMP VendorCambium Networks Affected up to 3.5 Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:cambiumnetworks:epmp_1000_firmware:*:*:*:*:*:*:*:* | up to 3.5 | Vulnerable | Cambiumnetworks |
| cpe:2.3:h:cambiumnetworks:epmp_1000:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Cambiumnetworks |
| cpe:2.3:o:cambiumnetworks:epmp_2000_firmware:*:*:*:*:*:*:*:* | up to 3.5 | Vulnerable | Cambiumnetworks |
| cpe:2.3:h:cambiumnetworks:epmp_2000:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Cambiumnetworks |
- cpe:2.3:o:cambiumnetworks:epmp_1000_firmware:*:*:*:*:*:*:*:* Versions up to 3.5 Vulnerable ·Cambiumnetworks
- cpe:2.3:h:cambiumnetworks:epmp_1000:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cambiumnetworks
- cpe:2.3:o:cambiumnetworks:epmp_2000_firmware:*:*:*:*:*:*:*:* Versions up to 3.5 Vulnerable ·Cambiumnetworks
- cpe:2.3:h:cambiumnetworks:epmp_2000:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cambiumnetworks
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2017-5258
- 2026-10-03 Alias added: GHSA-h793-x4j4-j48w
References
More Cambium Networks vulnerabilities
- TI-2017-03362 OS command injection in Cambium Networks ePMP CVSS 3.0HIGH 8.8
- TI-2017-03361 Improper access control in Cambium Networks ePMP CVSS 3.0HIGH 8.8
- TI-2017-03366 Cleartext transmission of sensitive information in Cambium Networks cnPilot CVSS 3.0HIGH 8.8
- TI-2022-01239 Cambium Networks cnMaestro OS Command Injection CVSS 3.1CRITICAL 9.8
- TI-2017-03368 Path traversal in Cambium Networks cnPilot CVSS 3.0HIGH 8.8
- TI-2017-03367 Incorrect permission assignment in Cambium Networks cnPilot CVSS 3.0HIGH 8.8
Sources
- CVE-2017-5258 · CVE Program
- CVE-2017-5258 · NVD
- FIRST EPSS
- GHSA-h793-x4j4-j48w · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences