CVE-2025-27029 Buffer Over-read in WLAN HAL

High 7.5 Published Updated

A buffer over-read in the WLAN HAL allows attackers to cause a transient denial of service via malformed tone measurement responses.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-27029?

CVE-2025-27029 is a high-severity denial of service vulnerability in Qualcomm Fastconnect 7800 Firmware, published on 3 Jun 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Transient DOS while processing the tone measurement response buffer when the response buffer is out of range.

Weakness: CWE-126

Which versions are affected by CVE-2025-27029?

It affects 67 products.

Products include Qualcomm Fastconnect 7800 Firmware, Qualcomm Immersive Home 3210 Platform Firmware, Qualcomm Immersive Home 326 Platform Firmware, Qualcomm Ipq5300 Firmware, Qualcomm Ipq5302 Firmware, Qualcomm Ipq5312 Firmware and 61 more.

How do I fix CVE-2025-27029?

No fix has been published for CVE-2025-27029 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-2025-27029 being exploited?

There is no known exploitation of CVE-2025-27029 in the wild and no public exploit code.

All Qualcomm Fastconnect 7800 Firmware vulnerabilities

Sources

Also known as GHSA-94m6-5q5f-r8g8.

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