Remote Denial of Service Vulnerability in Mediatek IMS Service
CVE-2025-20678

7.5HIGH

Key Information:

Vendor

MediaTek
Status
Mt6739, Mt6761, Mt6762, Mt6762d, Mt6762m, Mt6763, Mt6765, Mt6765t, Mt6767, Mt6768, Mt6769, Mt6769k, Mt6769s, Mt6769t, Mt6769z, Mt6771, Mt6779, Mt6781, Mt6783, Mt6785, Mt6785t, Mt6785u, Mt6789, Mt6813, Mt6833, Mt6833p, Mt6835, Mt6835t, Mt6853, Mt6853t, Mt6855, Mt6855t, Mt6873, Mt6875, Mt6875t, Mt6877, Mt6877t, Mt6877tt, Mt6878, Mt6878m, Mt6879, Mt6880, Mt6883, Mt6885, Mt6886, Mt6889, Mt6890, Mt6891, Mt6893, Mt6895, Mt6895tt, Mt6896, Mt6897, Mt6899, Mt6980, Mt6983, Mt6983t, Mt6985, Mt6985t, Mt6989, Mt6989t, Mt6990, Mt6991, Mt8666, Mt8667, Mt8673, Mt8675, Mt8676, Mt8678, Mt8765, Mt8766, Mt8766r, Mt8768, Mt8771, Mt8781, Mt8786, Mt8788, Mt8788e, Mt8789, Mt8791, Mt8791t, Mt8795t, Mt8797, Mt8798, Mt8863, Mt8873, Mt8883, Mt8893
Vendor
CVE Published:
2 June 2025

What is CVE-2025-20678?

The Mediatek IMS service has a vulnerability that could lead to a denial of service due to improper error handling. An attacker can exploit this flaw by connecting a User Equipment (UE) to a rogue base station, compromising the service without requiring any additional execution privileges or user interaction. This vulnerability poses a significant risk as it allows for a potential system crash, impacting the availability of the service.

Affected Version(s)

MT6739, MT6761, MT6762, MT6762D, MT6762M, MT6763, MT6765, MT6765T, MT6767, MT6768, MT6769, MT6769K, MT6769S, MT6769T, MT6769Z, MT6771, MT6779, MT6781, MT6783, MT6785, MT6785T, MT6785U, MT6789, MT6813, MT6833, MT6833P, MT6835, MT6835T, MT6853, MT6853T, MT6855, MT6855T, MT6873, MT6875, MT6875T, MT6877, MT6877T, MT6877TT, MT6878, MT6878M, MT6879, MT6880, MT6883, MT6885, MT6886, MT6889, MT6890, MT6891, MT6893, MT6895, MT6895TT, MT6896, MT6897, MT6899, MT6980, MT6983, MT6983T, MT6985, MT6985T, MT6989, MT6989T, MT6990, MT6991, MT8666, MT8667, MT8673, MT8675, MT8676, MT8678, MT8765, MT8766, MT8766R, MT8768, MT8771, MT8781, MT8786, MT8788, MT8788E, MT8789, MT8791, MT8791T, MT8795T, MT8797, MT8798, MT8863, MT8873, MT8883, MT8893 Modem LR12A, LR13, NR15, NR16, NR17, NR17R

References

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

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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CVE-2025-20678 : Remote Denial of Service Vulnerability in Mediatek IMS Service