Out of Bounds Write Vulnerability in MediaTek IMS Service
CVE-2025-20725

7.5HIGH

Key Information:

Vendor

MediaTek
Status
Mt2735, Mt2737, Mt6739, Mt6761, Mt6762, Mt6762d, Mt6762m, Mt6763, Mt6765, Mt6765t, Mt6767, Mt6768, Mt6769, Mt6769k, Mt6769s, Mt6769t, Mt6769z, Mt6771, Mt6833, Mt6833p, Mt6853, Mt6853t, Mt6855, Mt6855t, Mt6873, Mt6875, Mt6875t, Mt6877, Mt6877t, Mt6877tt, Mt6879, Mt6880, Mt6883, Mt6885, Mt6886, Mt6889, Mt6890, Mt6891, Mt6893, Mt6895, Mt6895tt, Mt6896, Mt6980, Mt6980d, Mt6983, Mt6983t, Mt6985, Mt6985t, Mt6989, Mt6989t, Mt6990, Mt8666, Mt8667, Mt8673, Mt8675, Mt8765, Mt8766, Mt8766r, Mt8768, Mt8771, Mt8786, Mt8788, Mt8788e, Mt8791, Mt8791t, Mt8795t, Mt8797, Mt8798, Mt8893
Vendor
CVE Published:
4 November 2025

What is CVE-2025-20725?

In MediaTek's ims service, a vulnerability exists due to a missing bounds check, allowing an attacker to exploit the issue through a rogue base station. This vulnerability enables remote escalation of privilege without requiring user interaction. It poses a significant risk as attackers can potentially gain control without needing additional execution privileges, making it crucial for users to apply the latest patches.

Human OS v1.0:
Ageing Is an Unpatched Zero-Day Vulnerability.

Remediate biological technical debt. Prime Ageing uses 95% high-purity SIRT6 activation to maintain genomic integrity and bolster systemic resilience.

Deploy the Patch

Affected Version(s)

MT2735, MT2737, MT6739, MT6761, MT6762, MT6762D, MT6762M, MT6763, MT6765, MT6765T, MT6767, MT6768, MT6769, MT6769K, MT6769S, MT6769T, MT6769Z, MT6771, MT6833, MT6833P, MT6853, MT6853T, MT6855, MT6855T, MT6873, MT6875, MT6875T, MT6877, MT6877T, MT6877TT, MT6879, MT6880, MT6883, MT6885, MT6886, MT6889, MT6890, MT6891, MT6893, MT6895, MT6895TT, MT6896, MT6980, MT6980D, MT6983, MT6983T, MT6985, MT6985T, MT6989, MT6989T, MT6990, MT8666, MT8667, MT8673, MT8675, MT8765, MT8766, MT8766R, MT8768, MT8771, MT8786, MT8788, MT8788E, MT8791, MT8791T, MT8795T, MT8797, MT8798, MT8893 Modem LR12A, NR15, NR16

References

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

CVSS V3.1

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

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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