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CVE-2026-47148: In EmberZNet v9.0.2 and earlier, malformed GetGroupMembership commands can trigger repeated reads past the end

32
Routine
MEDIUM 6.5UPGRADE

CVE-2026-47148 is a medium-severity flaw (CVSS 6.5) affecting emberznet. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

In EmberZNet v9.0.2 and earlier, malformed GetGroupMembership commands can trigger repeated reads past the end of the message payload and terminate the process. These messages must come from a device that has already joined the network, and no information leakage back to the sender was observed. Only devices supporting the Groups cluster may be impacted.

Why this priority

  • No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score6.5 (Medium)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededLow
User interactionNone
EPSS exploit chance0.4% (top 62%)
CISA exploited listNo
WeaknessCWE-125
Published2026-06-25
Last modified2026-10-25
Publisher (CNA): Silicon Labs · Vendor: silabs

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Last updated 2026-10-25 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

silabs emberznet UPGRADE
Affected: <= 9.0.2
Fixed in: newer than 9.0.2
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy emberznet || rpm -q emberznet || emberznet --version
2. UPGRADE to newer than 9.0.2 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade emberznet
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade emberznet
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
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-2026-47148?

emberznet: upgrade to newer than 9.0.2. Exact commands for each OS are on this page.

Is CVE-2026-47148 being exploited?

CVE-2026-47148 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-2026-47148 affect?

CVE-2026-47148 affects emberznet. Severity is medium (CVSS 6.5). In EmberZNet v9.0.2 and earlier, malformed GetGroupMembership commands can trigger repeated reads past the end of the message payload and terminate the process. These messages must come from a device that has already joined the network, and

How urgent is CVE-2026-47148?

Priority 32/100. No elevated risk signals yet.

Related CVEs

References

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