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CVE-2017-5263: Versions 4.3.2-R4 and prior of Cambium Networks cnPilot firmware lack CSRF controls that can mitigate the effe

34
Routine
HIGH 8.0UPGRADEUPGRADEUPGRADE

CVE-2017-5263 is a high-severity flaw (CVSS 8.0) affecting cnpilot r190v firmware, cnpilot e410 firmware, cnpilot r190n firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Versions 4.3.2-R4 and prior of Cambium Networks cnPilot firmware lack CSRF controls that can mitigate the effects of CSRF attacks, which are most typically implemented as randomized per-session tokens associated with any web application function, especially destructive ones.

Why this priority

  • High severity

A fixed release or distro patch exists.

Risk facts

CVSS score8.0 (High)
Attack vectorAdjacent network
Attack complexityLow
Privileges neededNone
User interactionRequired
EPSS exploit chance0.3% (top 77%)
CISA exploited listNo
WeaknessCWE-352
Published2017-12-20
Last modified2026-06-17
Publisher (CNA): Rapid7, Inc. · Vendor: cambiumnetworks

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

Am I affected?

Timeline

cambiumnetworks cnpilot r190v firmware UPGRADE
Affected: <= 4.3.2-r4
Fixed in: newer than 4.3.2-r4
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 cnpilot e410 firmware UPGRADE
Affected: <= 4.3.2-r4
Fixed in: newer than 4.3.2-r4
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 cnpilot r190n firmware UPGRADE
Affected: <= 4.3.2-r4
Fixed in: newer than 4.3.2-r4
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 cnpilot e400 firmware UPGRADE
Affected: <= 4.3.2-r4
Fixed in: newer than 4.3.2-r4
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 cnpilot e600 firmware UPGRADE
Affected: <= 4.3.2-r4
Fixed in: newer than 4.3.2-r4
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.
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-2017-5263?

cnpilot r190v firmware: upgrade to newer than 4.3.2-r4; cnpilot e410 firmware: upgrade to newer than 4.3.2-r4; cnpilot r190n firmware: upgrade to newer than 4.3.2-r4. Exact commands for each OS are on this page.

Is CVE-2017-5263 being exploited?

CVE-2017-5263 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-2017-5263 affect?

CVE-2017-5263 affects cnpilot r190v firmware, cnpilot e410 firmware, cnpilot r190n firmware. Severity is high (CVSS 8.0). Versions 4.3.2-R4 and prior of Cambium Networks cnPilot firmware lack CSRF controls that can mitigate the effects of CSRF attacks, which are most typically implemented as randomized per-session tokens associated with any web application fun

How urgent is CVE-2017-5263?

Priority 34/100. High severity

Related CVEs

References

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