CVE-2025-54329 Memory corruption in n/a
A heap overflow in Samsung Exynos modem firmware allows attackers to execute arbitrary code via crafted SMS messages.
- 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-2025-54329?
CVE-2025-54329 is a high-severity memory corruption vulnerability in Samsung Exynos 1280 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 NAS in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 980, 990, 850, 2100, 1280, 2200, 1330, 1380, 1480, 2400, 1580, 2500, W920, W930, W1000, Modem 5123, Modem 5300, and Modem 5400. The function used to send a multiple-payloads message (including an SMS message) lacks bounds checking, which can lead to a heap overflow.
Weakness: CWE-122
Which versions are affected by CVE-2025-54329?
It affects 18 products.
Products include Samsung Exynos 1280 Firmware, Samsung Exynos 1330 Firmware, Samsung Exynos 1380 Firmware, Samsung Exynos 1480 Firmware, Samsung Exynos 1580 Firmware, Samsung Exynos 2100 Firmware and 12 more.
How do I fix CVE-2025-54329?
No fix has been published for CVE-2025-54329 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-2025-54329 being exploited?
There is no known exploitation of CVE-2025-54329 in the wild and no public exploit code.
Other vulnerabilities in Samsung Exynos 1280 Firmware
Sources
Also known as GHSA-4q9x-qfvm-p5xc.