Live › vulnerability › CVE-2026-20563
A bounds-check error in the modem firmware allows an out-of-bounds write. A phone (UE) that connects to an attacker-controlled rogue base station can be remotely denied service.
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.
Phones and devices with the affected modem firmware that can connect to a cellular network. The sources describe exposure when a device connects to a rogue base station; they do not list specific models or versions. unknown for the rest.
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 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: MOLY01777997; Issue ID: MSV-8905.
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