CVE-2025-43706 Denial of service in n/a
Attackers can cause a denial of service in Samsung Exynos processors by sending malformed RRC packets.
- 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-2025-43706?
CVE-2025-43706 is a high-severity denial of service vulnerability in Samsung Exynos 1080 Firmware, published on 5 Jan 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 L2 in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 980, 990, 850, 1080, 2400, 1580, 9110, W920, W930, Modem 5123, and Modem 5400. Incorrect handling of RRC packets leads to a Denial of Service.
Weakness: CWE-400
Which versions are affected by CVE-2025-43706?
It affects 11 products.
Products include Samsung Exynos 1080 Firmware, Samsung Exynos 1580 Firmware, Samsung Exynos 2400 Firmware, Samsung Exynos 850 Firmware, Samsung Exynos 9110 Firmware, Samsung Exynos 980 Firmware and 5 more.
How do I fix CVE-2025-43706?
No fix has been published for CVE-2025-43706 yet. Limit exposure of the affected software until one is available.
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-2025-43706 being exploited?
There is no known exploitation of CVE-2025-43706 in the wild and no public exploit code.
Other vulnerabilities in Samsung Exynos 1080 Firmware
Sources
Also known as GHSA-668h-3f4c-v8mw.