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CVE-2026-85079: In EmberZNet 9.1.1 and earlier, a malformed Simple_Desc_req response can result in an out-of-bounds write pote

32
Routine
HIGH 7.5

CVE-2026-85079 is a high-severity flaw (CVSS 7.5) affecting affected software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

In EmberZNet 9.1.1 and earlier, a malformed Simple_Desc_req response can result in an out-of-bounds write potentially leading to remote code execution. This response must come from a device that has already joined the network, and the attacker must wait for a Simple_Desc_req before the attack can be performed.

Why this priority

  • High severity

A fixed release or distro patch exists.

Risk facts

CVSS score7.5 (High)
Attack vectorAdjacent network
Attack complexityLow
Privileges neededLow
User interactionNone
EPSS exploit chance0.3% (top 78%)
CISA exploited listNo
WeaknessCWE-121
Published2026-10-22
Last modified2026-10-22
Publisher (CNA): Silicon Labs

Timeline

Exact fixes by distribution

Fedora 46 · wasmedge · FIXED · 0.18.1-1.fc46 · FEDORA-2026-4c27216e39 · source
sudo dnf upgrade --advisory=FEDORA-2026-4c27216e39
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-2026-85079?

No fixed release is listed yet. Watch the vendor advisory and apply any mitigation shown on this page.

Is CVE-2026-85079 being exploited?

CVE-2026-85079 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-2026-85079 affect?

CVE-2026-85079 affects affected software. Severity is high (CVSS 7.5). In EmberZNet 9.1.1 and earlier, a malformed Simple_Desc_req response can result in an out-of-bounds write potentially leading to remote code execution. This response must come from a device that has already joined the network, and the attac

How urgent is CVE-2026-85079?

Priority 32/100. High severity

References

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