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THREATINT
PUBLISHED

CVE-2025-24797

Meshtastic incorrectly hands malformed packets leads to controlled buffer overflow



Description

Meshtastic is an open source mesh networking solution. A fault in the handling of mesh packets containing invalid protobuf data can result in an attacker-controlled buffer overflow, allowing an attacker to hijack execution flow, potentially resulting in remote code execution. This attack does not require authentication or user interaction, as long as the target device rebroadcasts packets on the default channel. This vulnerability fixed in 2.6.2.

Reserved 2025-01-23 | Published 2025-04-14 | Updated 2025-04-21 | Assigner GitHub_M


CRITICAL: 9.4CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H

Problem types

CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-122: Heap-based Buffer Overflow

Product status

< 2.6.2
affected

References

github.com/...rmware/security/advisories/GHSA-33hw-xhfh-944r

cve.org (CVE-2025-24797)

nvd.nist.gov (CVE-2025-24797)

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