Quick answers
- Is CVE-2026-48174 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-48174 being exploited in the wild.
- How severe is CVE-2026-48174?
- Informational severity, published 5 November 2026.
- Which products and versions are affected?
- Samsung 5G Modem.
- Is there a fix for CVE-2026-48174?
- 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-2026-48174 attacked?
- It is attacked from the adjacent network, in device firmware.
- Am I affected by CVE-2026-48174?
- Check whether you run Samsung 5G Modem. 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
The NR RRC component fails to properly validate and handle Radio Resource Control messages received prior to authentication completion, leading to a data abort. This results in a denial-of-service condition affecting 5G radio connectivity. The vulnerability is triggered by network-adjacent unauthenticated messages and requires no user interaction to exploit.
Affected products
- Samsung 5G Modem