CVE-2026-25289 Stack-based Buffer Overflow in WLAN Firmware

Critical 9.6 Published Updated

A stack-based buffer overflow in Qualcomm Snapdragon WLAN firmware allows attackers to execute arbitrary code or cause denial of service via crafted NAN frames.

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-2026-25289?

CVE-2026-25289 is a critical memory corruption vulnerability in Qualcomm Ar8035 Firmware, published on 4 Aug 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Memory Corruption when processing Device Capability Extended attributes in certain NAN Service Discovery Frames with invalid length values.

Weakness: CWE-121

Which versions are affected by CVE-2026-25289?

It affects 201 products.

Products include Qualcomm Ar8035 Firmware, Qualcomm Cologne Firmware, Qualcomm Cq7790 Firmware, Qualcomm Cq8725s Firmware, Qualcomm Cq8750m Firmware, Qualcomm Fastconnect 6200 Firmware and 195 more.

How do I fix CVE-2026-25289?

No fix has been published for CVE-2026-25289 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2026-25289 being exploited?

There is no known exploitation of CVE-2026-25289 in the wild and no public exploit code.

All Qualcomm Ar8035 Firmware vulnerabilities

Sources

Also known as GHSA-668h-p75c-x2rp.

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