CVE-2025-20670

Name: CVE-2025-20670
Creator: NVD / NIST
Published: 2025-05-05T03:15:22.3+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.7/10EPSS 0.27%

Last modified Jun 17, 2026

CVE-2025-20670 is a medium-severity vulnerability rated 5.7/10 on the CVSS scale. In Modem, there is a possible permission bypass due to improper certificate validation. This could lead to remote information disclosure, if a UE has connected to a rogue base station controlled by the attacker, with User execution privileges needed. EPSS estimates a 0.27% chance of exploitation in the next 30 days.

Description

In Modem, there is a possible permission bypass due to improper certificate validation. This could lead to remote information disclosure, if a UE has connected to a rogue base station controlled by the attacker, with User execution privileges needed. User interaction is needed for exploitation. Patch ID: MOLY01334347; Issue ID: MSV-2772.

Metrics

CVSS 3.1

5.7/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N

EPSS Probability

0.27%

18.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-295

Affected Software

Vendor	Product	Versions
Mediatek	Nr16	All versions
Mediatek	Nr17	All versions
Mediatek	Nr17r	All versions

References

https://corp.mediatek.com/product-security-bulletin/May-2025Vendor Advisory

Timeline

Published: May 5, 2025
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2025-20670?

How severe is CVE-2025-20670?

CVE-2025-20670 has a CVSS score of 5.7/10 (MEDIUM severity). The EPSS model estimates a 0.27% probability of exploitation in the next 30 days.

How do I fix CVE-2025-20670?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-20670?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST