CVE-2026-85080 Authenticated Denial-of-Service in Zigbee GetGroupMembership Handling

What is CVE-2026-85080?

CVE-2026-85080 is a medium-severity vulnerability in Silicon Labs EmberZNet, published on 22 Oct 2026.

Official description

In EmberZNet 9.1.1 and earlier, a malformed GetGroupMembership message can result in an out-of-bounds write leading to a crash. A limited number of values can be written using this vulnerability, so no route to remote code execution was observed. These messages must come from a device that has already joined the network. Only devices supporting the Group Cluster are impacted.

Weakness: CWE-121

Which versions are affected by CVE-2026-85080?

It affects 1 product.

Products include Silabs Emberznet.

How do I fix CVE-2026-85080?

No fix has been published for CVE-2026-85080 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-85080 being exploited?

There is no known exploitation of CVE-2026-85080 in the wild and no public exploit code.

Other vulnerabilities in Silicon Labs EmberZNet

• CVE-2023-41094 Touchlink authentication bypass due to packets processed after timeout or out of range in Ember ZNet Critical 10.0
• CVE-2026-85079 Out-of-bounds write in Zigbee Simple_Desc_req handling High 7.5
• CVE-2026-94502 Out-of-bounds write in Zigbee Publish Price Matrix handling High 7.5
• CVE-2026-4526 Global ZCL command parser missing minimum-length validation in EmberZNet v9.0.2 High 7.1
• CVE-2026-47145 Color Control hue/saturation assertion abort in EmberZNet v9.0.2 High 7.1

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-2j8f-gm3f-3335.