# CVE-2025-20793: In Modem, there is a possible system crash due to incorrect error handling. This could lead to remote denial of… Source: https://junglewise.ai/threats/cve-2025-20793-in-modem-there-is-a-possible-system-crash-due-to-incorrect-error Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats Published: 2026-01-06 License: CC BY 4.0 with a link back 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](https://junglewise.ai/threats/technologies/mt2735), [MediaTek MT2737](https://junglewise.ai/threats/technologies/mt2737), [MediaTek MT6813](https://junglewise.ai/threats/technologies/mt6813), [MediaTek Mt6815](https://junglewise.ai/threats/technologies/mt6815), [MediaTek MT6833](https://junglewise.ai/threats/technologies/mt6833), [MediaTek Mt6835](https://junglewise.ai/threats/technologies/mt6835), [MediaTek Mt6853](https://junglewise.ai/threats/technologies/mt6853), [MediaTek Mt6855](https://junglewise.ai/threats/technologies/mt6855), [MediaTek MT6873](https://junglewise.ai/threats/technologies/mt6873), [MediaTek Mt6875](https://junglewise.ai/threats/technologies/mt6875), [MediaTek Mt6877](https://junglewise.ai/threats/technologies/mt6877), [MediaTek Mt6878](https://junglewise.ai/threats/technologies/mt6878), [MediaTek Mt6879](https://junglewise.ai/threats/technologies/mt6879), [MediaTek Mt6880](https://junglewise.ai/threats/technologies/mt6880), [MediaTek Mt6883](https://junglewise.ai/threats/technologies/mt6883), [MediaTek Mt6885](https://junglewise.ai/threats/technologies/mt6885), [MediaTek Mt6886](https://junglewise.ai/threats/technologies/mt6886), [MediaTek Mt6889](https://junglewise.ai/threats/technologies/mt6889), [MediaTek Mt6890](https://junglewise.ai/threats/technologies/mt6890), [MediaTek MT6891](https://junglewise.ai/threats/technologies/mt6891), [MediaTek Mt6893](https://junglewise.ai/threats/technologies/mt6893), [MediaTek Mt6895](https://junglewise.ai/threats/technologies/mt6895), [MediaTek MT6896](https://junglewise.ai/threats/technologies/mt6896), [MediaTek Mt6897](https://junglewise.ai/threats/technologies/mt6897), [MediaTek Mt6899](https://junglewise.ai/threats/technologies/mt6899), [MediaTek MT6980](https://junglewise.ai/threats/technologies/mt6980), [MediaTek Mt6983](https://junglewise.ai/threats/technologies/mt6983), [MediaTek Mt6985](https://junglewise.ai/threats/technologies/mt6985), [MediaTek Mt6989](https://junglewise.ai/threats/technologies/mt6989), [MediaTek MT6990](https://junglewise.ai/threats/technologies/mt6990), [MediaTek Mt6991](https://junglewise.ai/threats/technologies/mt6991), [MediaTek MT6993](https://junglewise.ai/threats/technologies/mt6993), [MediaTek Mt8673](https://junglewise.ai/threats/technologies/mt8673), [MediaTek Mt8675](https://junglewise.ai/threats/technologies/mt8675), [MediaTek MT8676](https://junglewise.ai/threats/technologies/mt8676), [MediaTek MT8678](https://junglewise.ai/threats/technologies/mt8678), [MediaTek MT8755](https://junglewise.ai/threats/technologies/mt8755), [MediaTek Mt8771](https://junglewise.ai/threats/technologies/mt8771), [MediaTek MT8791](https://junglewise.ai/threats/technologies/mt8791), [MediaTek Mt8791t](https://junglewise.ai/threats/technologies/mt8791t), [MediaTek MT8792](https://junglewise.ai/threats/technologies/mt8792), [MediaTek Mt8793](https://junglewise.ai/threats/technologies/mt8793), [MediaTek MT8795T](https://junglewise.ai/threats/technologies/mt8795t), [MediaTek Mt8797](https://junglewise.ai/threats/technologies/mt8797), [MediaTek Mt8798](https://junglewise.ai/threats/technologies/mt8798), [MediaTek MT8863](https://junglewise.ai/threats/technologies/mt8863), [MediaTek MT8873](https://junglewise.ai/threats/technologies/mt8873), [MediaTek MT8883](https://junglewise.ai/threats/technologies/mt8883), [MediaTek MT8893](https://junglewise.ai/threats/technologies/mt8893), [MediaTek Nr15](https://junglewise.ai/threats/technologies/nr15), [MediaTek Nr16](https://junglewise.ai/threats/technologies/nr16), [MediaTek Nr17](https://junglewise.ai/threats/technologies/nr17). Vendors: [MediaTek](https://junglewise.ai/threats/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 ## Related threats - [MediaTek ccci out of bounds write](https://junglewise.ai/threats/cve-2026-20552-in-ccci-there-is-a-possible-out-of-bounds-write-due-to-a-missing) - [MediaTek vdec out-of-bounds write in type confusion](https://junglewise.ai/threats/cve-2026-20579-in-vdec-there-is-a-possible-out-of-bounds-write-due-to-type) - [MediaTek out of bounds write in modem](https://junglewise.ai/threats/cve-2026-20544-in-meta-there-is-a-possible-out-of-bounds-write-due-to-a-missing) - [MediaTek Modem information disclosure due to logic error](https://junglewise.ai/threats/cve-2026-20543-in-modem-there-is-a-possible-information-disclosure-due-to-a) - [MediaTek Modem out-of-bounds read due to missing permission check](https://junglewise.ai/threats/cve-2026-20538-in-modem-there-is-a-possible-out-of-bounds-read-due-to-a-missing)