What is CVE-2025-20670?

CVE-2025-20670 is a medium-severity vulnerability in Mediatek Mt2737, classified under Improper Certificate Validation. CVSS score: 5.7/10. Published 2025-05-05.

How severe is CVE-2025-20670?

Medium severity. CVSS v3 base score is 5.7 out of 10.

Vulnerability in Mediatek Mt2737

CVE-2025-20670

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 privile…

Vulnerability class: Improper Certificate Validation

EPSS: 0.003 (18.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.7 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N.

Affected products

Mediatek Mt2737
Mediatek Mt6813
Mediatek Mt6835
Mediatek Mt6835t
Mediatek Mt6878
Mediatek Mt6878m
Mediatek Mt6879
Mediatek Mt6886
Mediatek Mt6895
Mediatek Mt6895tt

Weakness classification (CWE)

CWE-295 — Improper Certificate Validation

References

security@mediatek.com (Vendor Advisory)

Frequently asked questions

What is CVE-2025-20670?: CVE-2025-20670 is a medium-severity vulnerability in Mediatek Mt2737, classified under Improper Certificate Validation. CVSS score: 5.7/10. Published 2025-05-05.
How severe is CVE-2025-20670?: Medium severity. CVSS v3 base score is 5.7 out of 10.