Quick answers
- Is CVE-2025-66367 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2025-66367 being exploited in the wild.
- How severe is CVE-2025-66367?
- Informational severity, published 5 November 2026.
- Which products and versions are affected?
- Samsung Exynos.
- Is there a fix for CVE-2025-66367?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2025-66367 attacked?
- It is attacked over the network, in device firmware.
- Am I affected by CVE-2025-66367?
- Check whether you run Samsung Exynos. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
Improper handling of NAS (Non-Access Stratum) DLTransport messages in Samsung Exynos baseband allows a baseband crash. The vulnerability can be triggered by an attacker with network access to the cellular network, with no authentication required. A successful attack results in denial of service via baseband crash.
Affected products
- Samsung Exynos
Timeline
- 2026-11-05: disclosed