CVE-2026-20546

Unknown

Last modified

CVE-2026-20546 is a vulnerability of currently unknown severity. In Modem, there is a possible out of bounds write due to an incorrect bounds check. This could lead to remote escalation of privilege, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges needed.

Description

In Modem, there is a possible out of bounds write due to an incorrect bounds check. This could lead to remote escalation of privilege, 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: MOLY01876654 / MOLY01774038; Issue ID: MSV-9803.

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
MediaTek, Inc.MediaTek chipsetMT2716; MT2735; MT2737; MT6739; MT6761; MT6762; MT6763; MT6765; MT6767; MT6768; MT6769; MT6771; MT6779; MT6781; MT6783; MT6785; MT6789; MT6813; MT6815; MT6833; MT6835; MT6853; MT6855; MT6858; MT6873; MT6875; MT6877; MT6878; MT6879; MT6880; MT6881; MT6883; MT6885; MT6886; MT6889; MT6890; MT6891; MT6893; MT6895; MT6896; MT6897; MT6899; MT6980; MT6982; MT6983; MT6985; MT6986; MT6988; MT6989; MT6990; MT6991; MT6993; MT8668; MT8676; MT8678; MT8755; MT8765; MT8766; MT8766R; MT8768; MT8771; MT8775; MT8781; MT8786; MT8788E; MT8791; MT8791T; MT8792; MT8793; MT8796; MT8797; MT8798; MT8863; MT8873; MT8875; MT8883; MT8893

References

Timeline

Published
Last Modified
Status
Received

Frequently Asked Questions

What is CVE-2026-20546?
In Modem, there is a possible out of bounds write due to an incorrect bounds check. This could lead to remote escalation of privilege, 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: MOLY01876654 / MOLY01774038; Issue ID: MSV-9803.
How severe is CVE-2026-20546?
Severity scoring for CVE-2026-20546 is pending analysis.
How do I fix CVE-2026-20546?
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.

How Strix Helps

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Source: NVD / NIST