CVE-2025-21426 Buffer Copy Without Checking Size of Input (`Classic Buffer Overflow`) in Camera_Linux
A buffer overflow in Qualcomm Snapdragon camera firmware allows attackers to execute arbitrary code or escalate privileges.
- 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-2025-21426?
CVE-2025-21426 is a medium-severity memory corruption vulnerability in Qualcomm Fastconnect 7800 Firmware, published on 8 Jul 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Memory corruption while processing camera TPG write request.
Weakness: CWE-120
Which versions are affected by CVE-2025-21426?
It affects 10 products.
Products include Qualcomm Fastconnect 7800 Firmware, Qualcomm Snapdragon Ar1 Gen 1 Platform Firmware, Qualcomm Ssg2115p Firmware, Qualcomm Ssg2125p Firmware, Qualcomm Sxr1230p Firmware, Qualcomm Wcd9380 Firmware and 4 more.
How do I fix CVE-2025-21426?
No fix has been published for CVE-2025-21426 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-2025-21426 being exploited?
There is no known exploitation of CVE-2025-21426 in the wild and no public exploit code.
Other vulnerabilities in Qualcomm Fastconnect 7800 Firmware
Sources
Also known as GHSA-f2jh-xhv3-948g.