CVE-2026-21369 Out-of-bounds Write in Camera Driver

Medium 5.3 Published Updated

Out-of-bounds write in Qualcomm Snapdragon camera driver allows attackers to execute arbitrary code or escalate privileges via flash command handling.

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-2026-21369?

CVE-2026-21369 is a medium-severity memory corruption vulnerability in Qualcomm Fastconnect 6200 Firmware, published on 6 Jul 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Memory Corruption when handling flash commands due to outdated LED count values being used after userspace modification.

Weakness: CWE-787

Which versions are affected by CVE-2026-21369?

It affects 109 products.

Products include Qualcomm Fastconnect 6200 Firmware, Qualcomm Fastconnect 6700 Firmware, Qualcomm Fastconnect 6900 Firmware, Qualcomm Fastconnect 7800 Firmware, Qualcomm G1 Gen 1 Firmware, Qualcomm G3x Gen 2 Firmware and 103 more.

How do I fix CVE-2026-21369?

No fix has been published for CVE-2026-21369 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-2026-21369 being exploited?

There is no known exploitation of CVE-2026-21369 in the wild and no public exploit code.

All Qualcomm Fastconnect 6200 Firmware vulnerabilities

Sources

Also known as GHSA-m3mv-mgjg-xqg6.

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