CVE-2025-27374 Memory corruption in n/a
Out-of-bounds write in Exynos Secure Boot allows attackers to execute arbitrary code or escalate privileges on affected mobile and wearable devices.
- 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-2025-27374?
CVE-2025-27374 is a medium-severity memory corruption vulnerability in Samsung Exynos 1080 Firmware, published on 4 Nov 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An issue was discovered in the Secure Boot component in Samsung Mobile Processor and Wearable Processor Exynos 9820, 9825, 980, 990, 850, 1080, 1280, 2200, 1330, 1380, 1480, 2400. The lack of a length check leads to out-of-bounds writes.
Weakness: CWE-787
Which versions are affected by CVE-2025-27374?
It affects 11 products.
Products include Samsung Exynos 1080 Firmware, Samsung Exynos 1280 Firmware, Samsung Exynos 1330 Firmware, Samsung Exynos 1380 Firmware, Samsung Exynos 1480 Firmware, Samsung Exynos 2200 Firmware and 5 more.
How do I fix CVE-2025-27374?
No fix has been published for CVE-2025-27374 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-2025-27374 being exploited?
There is no known exploitation of CVE-2025-27374 in the wild and no public exploit code.
Other vulnerabilities in Samsung Exynos 1080 Firmware
Sources
Also known as GHSA-xh2h-xr83-rv32.