CVE-2026-20541

MEDIUMCVSS 5.3/10EPSS 0.18%

Last modified

CVE-2026-20541 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. In Modem, there is a possible out of bounds read due to a missing permission check. 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. EPSS estimates a 0.18% chance of exploitation in the next 30 days.

Description

In Modem, there is a possible out of bounds read due to a missing permission check. 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: MOLY01774038; Issue ID: MSV-8911.

Metrics

EPSS Probability
0.18%

7.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
MediatekMt6985 FirmwareAll versions
MediatekMt6986 FirmwareAll versions
MediatekMt6988 FirmwareAll versions
MediatekMt6989 FirmwareAll versions
MediatekMt6990 FirmwareAll versions
MediatekMt6991 FirmwareAll versions
MediatekMt6993 FirmwareAll versions
MediatekMt8666 FirmwareAll versions
MediatekMt8667 FirmwareAll versions
MediatekMt8668 FirmwareAll versions
MediatekMt8673 FirmwareAll versions
MediatekMt8675 FirmwareAll versions
MediatekMt8676 FirmwareAll versions
MediatekMt8678 FirmwareAll versions
MediatekMt8755 FirmwareAll versions
MediatekMt8765 FirmwareAll versions
MediatekMt8766 FirmwareAll versions
MediatekMt8766r FirmwareAll versions
MediatekMt8768 FirmwareAll versions
MediatekMt8771 FirmwareAll versions
MediatekMt8775 FirmwareAll versions
MediatekMt8781 FirmwareAll versions
MediatekMt8786 FirmwareAll versions
MediatekMt8788 FirmwareAll versions
MediatekMt8788e FirmwareAll versions
MediatekMt8789 FirmwareAll versions
MediatekMt8791 FirmwareAll versions
MediatekMt8791t FirmwareAll versions
MediatekMt8792 FirmwareAll versions
MediatekMt8793 FirmwareAll versions
MediatekMt8795t FirmwareAll versions
MediatekMt8796 FirmwareAll versions
MediatekMt8797 FirmwareAll versions
MediatekMt8798 FirmwareAll versions
MediatekMt8863 FirmwareAll versions
MediatekMt8873 FirmwareAll versions
MediatekMt8883 FirmwareAll versions
MediatekMt8893 FirmwareAll versions
MediatekMt2716 FirmwareAll versions
MediatekMt2735 FirmwareAll versions
MediatekMt2737 FirmwareAll versions
MediatekMt6739 FirmwareAll versions
MediatekMt6761 FirmwareAll versions
MediatekMt6762 FirmwareAll versions
MediatekMt6763 FirmwareAll versions
MediatekMt6765 FirmwareAll versions
MediatekMt6767 FirmwareAll versions
MediatekMt6768 FirmwareAll versions
MediatekMt6769 FirmwareAll versions
MediatekMt6771 FirmwareAll versions

Showing 50 of 83 affected configurations. See NVD for the full list.

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2026-20541?
In Modem, there is a possible out of bounds read due to a missing permission check. 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: MOLY01774038; Issue ID: MSV-8911.
How severe is CVE-2026-20541?
CVE-2026-20541 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 0.18% probability of exploitation in the next 30 days.
How do I fix CVE-2026-20541?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST