#VU114605 Out-of-bounds read in MediaTek products - CVE-2025-20703
Published: September 1, 2025
Vulnerability identifier: #VU114605
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2025-20703
CWE-ID: CWE-125
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerable software:
MT2735
MT2737
MT6813
MT6833
MT6833P
MT6835
MT6835T
MT6855
MT6855T
MT6875T
MT6877T
MT6877TT
MT6878
MT6878M
MT6879
MT6880
MT6886
MT6890
MT6895
MT6895TT
MT6896
MT6897
MT6899
MT6980
MT6980D
MT6983
MT6983T
MT6985
MT6985T
MT6989
MT6989T
MT6990
MT6991
MT8673
MT8675
MT8676
MT8678
MT8771
MT8791
MT8791T
MT8792
MT8795T
MT8798
MT8863
MT8873
MT8883
MT8893
MT6853
MT6853T
MT6873
MT6875
MT6877
MT6883
MT6885
MT6889
MT6891
MT6893
MT8797
MT2735
MT2737
MT6813
MT6833
MT6833P
MT6835
MT6835T
MT6855
MT6855T
MT6875T
MT6877T
MT6877TT
MT6878
MT6878M
MT6879
MT6880
MT6886
MT6890
MT6895
MT6895TT
MT6896
MT6897
MT6899
MT6980
MT6980D
MT6983
MT6983T
MT6985
MT6985T
MT6989
MT6989T
MT6990
MT6991
MT8673
MT8675
MT8676
MT8678
MT8771
MT8791
MT8791T
MT8792
MT8795T
MT8798
MT8863
MT8873
MT8883
MT8893
MT6853
MT6853T
MT6873
MT6875
MT6877
MT6883
MT6885
MT6889
MT6891
MT6893
MT8797
Software vendor:
MediaTek
MediaTek
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary condition within the Modem component. A remote attacker with control over a rogue base station can send specially crafted packets to trigger an out-of-bounds read error and perform a denial of service (DoS) attack.
Remediation
Install updates from vendor's website.