CVE-2025-26781 Denial of service in n/a
Incorrect handling of RLC AM PDUs in Samsung Exynos modems allows attackers to cause a Denial of Service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2025-26781?
CVE-2025-26781 is a high-severity denial of service vulnerability in Samsung Exynos 1080 Firmware, published on 20 Oct 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 L2 in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 980, 990, 850, 1080, 2100, 1280, 2200, 1330, 1380, 1480, 9110, W920, W930, Modem 5123, and Modem 5300. Incorrect handling of RLC AM PDUs leads to a Denial of Service.
Which versions are affected by CVE-2025-26781?
It affects 13 products.
Products include Samsung Exynos 1080 Firmware, Samsung Exynos 1330 Firmware, Samsung Exynos 1380 Firmware, Samsung Exynos 1480 Firmware, Samsung Exynos 2200 Firmware, Samsung Exynos 850 Firmware and 7 more.
How do I fix CVE-2025-26781?
Apply the vendor's patch.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2025-26781 being exploited?
There is no known exploitation of CVE-2025-26781 in the wild and no public exploit code.
Other vulnerabilities in Samsung Exynos 1080 Firmware
Sources
Also known as A-352755506, GHSA-f45r-r7hq-rp9x, PUB-A-352755506.