CVE-2025-20793: In Modem, there is a possible system crash due to incorrect error handling. This could lead to remote denial of…

CVE-2025-20793 · Severity: medium · CVSS 6.5 · Published 2026-01-06

In Modem, 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 privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY01430930; Issue ID: MSV-4836.

Technologies: MediaTek MT2735, MediaTek MT2737, MediaTek MT6813, MediaTek Mt6815, MediaTek MT6833, MediaTek Mt6835, MediaTek Mt6853, MediaTek Mt6855, MediaTek MT6873, MediaTek Mt6875, MediaTek Mt6877, MediaTek Mt6878, MediaTek Mt6879, MediaTek Mt6880, MediaTek Mt6883, MediaTek Mt6885, MediaTek Mt6886, MediaTek Mt6889, MediaTek Mt6890, MediaTek MT6891, MediaTek Mt6893, MediaTek Mt6895, MediaTek MT6896, MediaTek Mt6897, MediaTek Mt6899, MediaTek MT6980, MediaTek Mt6983, MediaTek Mt6985, MediaTek Mt6989, MediaTek MT6990, MediaTek Mt6991, MediaTek MT6993, MediaTek Mt8673, MediaTek Mt8675, MediaTek MT8676, MediaTek MT8678, MediaTek MT8755, MediaTek Mt8771, MediaTek MT8791, MediaTek Mt8791t, MediaTek MT8792, MediaTek Mt8793, MediaTek MT8795T, MediaTek Mt8797, MediaTek Mt8798, MediaTek MT8863, MediaTek MT8873, MediaTek MT8883, MediaTek MT8893, MediaTek Nr15, MediaTek Nr16, MediaTek Nr17. Vendors: MediaTek.

Quick answers

Is CVE-2025-20793 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2025-20793 being exploited in the wild.
How severe is CVE-2025-20793?
Medium severity, with a CVSS score of 6.5, published 6 January 2026.
Which products and versions are affected?
MediaTek MT2735, MediaTek MT2737, MediaTek MT6813, MediaTek Mt6815 and 49 more. The advisory does not name versions.
Is there a fix for CVE-2025-20793?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
Am I affected by CVE-2025-20793?
Check whether you run MediaTek MT2735, MediaTek MT2737, MediaTek MT6813 or one of the others listed. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Affected products

  • MediaTek MT2735
  • MediaTek MT2737
  • MediaTek MT6813
  • MediaTek Mt6815
  • MediaTek MT6833
  • MediaTek Mt6835
  • MediaTek Mt6853
  • MediaTek Mt6855
  • MediaTek MT6873
  • MediaTek Mt6875
  • MediaTek Mt6877
  • MediaTek Mt6878
  • MediaTek Mt6879
  • MediaTek Mt6880
  • MediaTek Mt6883
  • MediaTek Mt6885
  • MediaTek Mt6886
  • MediaTek Mt6889
  • MediaTek Mt6890
  • MediaTek MT6891
  • MediaTek Mt6893
  • MediaTek Mt6895
  • MediaTek MT6896
  • MediaTek Mt6897
  • MediaTek Mt6899
  • MediaTek MT6980
  • MediaTek Mt6983
  • MediaTek Mt6985
  • MediaTek Mt6989
  • MediaTek MT6990
  • MediaTek Mt6991
  • MediaTek MT6993
  • MediaTek Mt8673
  • MediaTek Mt8675
  • MediaTek MT8676
  • MediaTek MT8678
  • MediaTek MT8755
  • MediaTek Mt8771
  • MediaTek MT8791
  • MediaTek Mt8791t
  • MediaTek MT8792
  • MediaTek Mt8793
  • MediaTek MT8795T
  • MediaTek Mt8797
  • MediaTek Mt8798
  • MediaTek MT8863
  • MediaTek MT8873
  • MediaTek MT8883
  • MediaTek MT8893
  • MediaTek Nr15
  • MediaTek Nr16
  • MediaTek Nr17
  • MediaTek Nr17r

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