Live › vulnerability › CVE-2026-20546
A bounds-check flaw in the modem firmware allows an out-of-bounds write that can escalate privileges remotely. An attacker running a rogue base station can trigger it when a phone or device connects to it, with no user interaction needed.
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-11-02 03:31 UTC. All times on this page are UTC.
Devices with the affected modem firmware that connect to cellular networks can be exposed to a rogue base station. The sources do not name the affected devices or firmware versions. Systems that never use cellular connectivity are not affected.
No product ranges from the sources yet.
Unknown from the sources.
Unknown from the sources.
Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
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.
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