CVE-2026-25294 Buffer Over-read in WLAN Firmware

High 7.4 Published Updated

A buffer over-read in Qualcomm Snapdragon WLAN firmware allows attackers to cause a transient denial of service during frame parsing.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-25294?

CVE-2026-25294 is a high-severity denial of service vulnerability in Qualcomm Cologne Firmware, published on 17 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Transient DOS while parsing frame during channel usage.

Weakness: CWE-126

Which versions are affected by CVE-2026-25294?

It affects 75 products.

Products include Qualcomm Cologne Firmware, Qualcomm Congo Firmware, Qualcomm Cq7790 Firmware, Qualcomm Cq7790m Firmware, Qualcomm Cq8845s Firmware, Qualcomm Fastconnect 6200 Firmware and 69 more.

How do I fix CVE-2026-25294?

No fix has been published for CVE-2026-25294 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2026-25294 being exploited?

There is no known exploitation of CVE-2026-25294 in the wild and no public exploit code.

All Qualcomm Cologne Firmware vulnerabilities

Sources

Also known as GHSA-59fm-5gr7-cvvq.

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