CVE-2025-54328 Memory corruption in n/a

Critical 10.0 Published 6 Apr 2026 Updated 6 Apr 2026

A stack-based buffer 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-2025-54328?

CVE-2025-54328 is a critical memory corruption vulnerability in Samsung Exynos 1080 Firmware, published on 6 Apr 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An issue was discovered in SMS in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 980, 990, 850, 1080, 2100, 1280, 2200, 1330, 1380, 1480, 2400, 1580, 2500, 9110, W920, W930, W1000, Modem 5123, Modem 5300, and Modem 5400. A Stack-based Buffer Overflow occurs while parsing SMS RP-DATA messages.

Weakness: CWE-121

Which versions are affected by CVE-2025-54328?

It affects 20 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 1580 Firmware and 14 more.

How do I fix CVE-2025-54328?

No fix has been published for CVE-2025-54328 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-2025-54328 being exploited?

There is no known exploitation of CVE-2025-54328 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

All Samsung Exynos 1080 Firmware vulnerabilities

Sources

Also known as GHSA-3p7h-7569-cp4p.