What is CVE-2025-20678?

CVE-2025-20678 is a medium-severity vulnerability in Mediatek Lr12a, classified under Uncontrolled Recursion. CVSS score: 6.5/10. Published 2025-06-02.

How severe is CVE-2025-20678?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Mediatek Lr12a

CVE-2025-20678

In ims service, there is a possible system crash due to incorrect error handling. This could lead to remote denial of service, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privilege…

EPSS: 0.003 (22.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Mediatek Lr12a
Mediatek Lr13
Mediatek Mt6739
Mediatek Mt6761
Mediatek Mt6762
Mediatek Mt6762d
Mediatek Mt6762m
Mediatek Mt6763
Mediatek Mt6765
Mediatek Mt6765t

Weakness classification (CWE)

CWE-674 — Uncontrolled Recursion

References

security@mediatek.com (Vendor Advisory)

Frequently asked questions

What is CVE-2025-20678?: CVE-2025-20678 is a medium-severity vulnerability in Mediatek Lr12a, classified under Uncontrolled Recursion. CVSS score: 6.5/10. Published 2025-06-02.
How severe is CVE-2025-20678?: Medium severity. CVSS v3 base score is 6.5 out of 10.