CVE-2025-22377 Memory corruption in n/a
Heap-based out-of-bounds write in Samsung Exynos modem firmware allows attackers to execute arbitrary code or escalate privileges via crafted GPRS payloads.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2025-22377?
CVE-2025-22377 is a medium-severity memory corruption vulnerability in Samsung Exynos 1080 Firmware, published on 27 May 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 Samsung Mobile Processor, Wearable Processor, and Modem Exynos 980, 990, 850, 1080, 2100, 1280, 2200, 1330, 1380, 1480, 2400, 9110, W920, W930, W1000, Modem 5123, Modem 5300, Modem 5400. A Heap-based Out-of-Bounds Write exists in the GPRS protocol implementation because of a mismatch between the actual length of the payload and the length declared within the payload.
Weakness: CWE-787
Which versions are affected by CVE-2025-22377?
It affects 18 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 2100 Firmware and 12 more.
How do I fix CVE-2025-22377?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2025-22377 being exploited?
There is no known exploitation of CVE-2025-22377 in the wild and no public exploit code.
Other vulnerabilities in Samsung Exynos 1080 Firmware
Sources
Also known as A-383333278, GHSA-4v6j-536v-64fw, PUB-A-383333278.