CVE-2025-59605 Out-of-bounds Write in HLOS

High 7.8 Published Updated

An out-of-bounds write in Qualcomm Snapdragon HLOS allows attackers to execute arbitrary code or escalate privileges via malformed device identifier strings.

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

What is CVE-2025-59605?

CVE-2025-59605 is a high-severity memory corruption vulnerability in Qualcomm Ar8035 Firmware, published on 1 Jun 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 identifier strings that exceed the expected maximum length.

Weakness: CWE-787

Which versions are affected by CVE-2025-59605?

It affects 140 products.

Products include Qualcomm Ar8035 Firmware, Qualcomm Csra6620 Firmware, Qualcomm Csra6640 Firmware, Qualcomm Fastconnect 6200 Firmware, Qualcomm Fastconnect 6700 Firmware, Qualcomm Fastconnect 6800 Firmware and 134 more.

How do I fix CVE-2025-59605?

No fix has been published for CVE-2025-59605 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-2025-59605 being exploited?

There is no known exploitation of CVE-2025-59605 in the wild and no public exploit code.

All Qualcomm Ar8035 Firmware vulnerabilities

Sources

Also known as GHSA-rjww-f3q9-7g2w.

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