Uncontrolled Recursion in MediaTek products - CVE-2025-20678

Vulnerability identifier: #VU110035

CSH Severity: Low

CVSS v4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]

CVE-ID: CVE-2025-20678

CWE-ID: CWE-674

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local application to perform service disruption.

The vulnerability exists due to incorrect error handling within ims service. A local application can perform service disruption.

MT6983
MT8673
MT8667
MT8666
MT6991
MT6990
MT6989T
MT6989
MT6985T
MT6985
MT6983T
MT8675
MT6980
MT6899
MT6897
MT6896
MT6895TT
MT6895
MT6890
MT8788E
MT8893
MT8883
MT8873
MT8863
MT8798
MT8795T
MT8791T
MT8791
MT8789
MT6886
MT8788
MT8786
MT8781
MT8771
MT8768
MT8766R
MT8766
MT8765
MT8678
MT8676
MT6769K
MT6785U
MT6785T
MT6783
MT6771
MT6769Z
MT6769T
MT6769S
MT6789
MT6769
MT6768
MT6767
MT6765T
MT6765
MT6763
MT6762M
MT6762D
MT6762
MT6761
MT6880
MT6879
MT6878M
MT6878
MT6877TT
MT6877T
MT6875T
MT6739
MT6855T
MT6855
MT6835T
MT6835
MT6833P
MT6833
MT6813
MT6893
MT6891
MT6889
MT8797
MT6785
MT6781
MT6779
MT6875
MT6885
MT6883
MT6877
MT6873
MT6853T
MT6853
TB300XU, TB300FU Lenovo Tab M8 4th
TB300XU, TB300FU Lenovo Tab M8 Gen
TB301XU,TB301FU Lenovo Tab M8 4th
TB301XU,TB301FU Lenovo Tab M8 Gen
TB310XU, TB310FU Lenovo Tab M9
Lenovo Tab M8 4th Gen (TB300FU/TB300XU)
Lenovo Tab M8 4th Gen 2024 (TB301FU/TB301XU)
Lenovo Tab M9 (TB310FU/TB310XU/TB310XC)

Install security update from vendor's website.

• https://corp.mediatek.com/product-security-bulletin/June-2025

• Multiple vulnerabilities in MediaTek chipsets
• Local denial of service in Lenovo Tab M8/M9