๐Ÿ›ก๏ธ CVE-2025-55293
๐Ÿ”ด CVSS 9.4 โ€” Critical โœ… No Known Exploit CWE-287 NVD
9.4
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Meshtastic is an open source mesh networking solution. Prior to v2.6.3, an attacker can send NodeInfo with a empty publicKey first, then overwrite it with a new key. First sending a empty key bypasses 'if (p.public_key.size > 0) {', clearing the existing publicKey (and resetting the size to 0) for a known node. Then a new key bypasses 'if (info->user.public_key.size > 0) {', and this malicious key is stored in NodeDB. This vulnerability is fixed in 2.6.3.

Details

Severity CRITICAL
CVSS Score 9.4
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
CWE CWE-287
Public Exploit โœ… No
Source NVD
Published 2025-08-18
Updated 2026-06-02
Modified 2025-10-17

Affected Packages

Software From version Fixed in
meshtastic-firmware โ€” 2.6.3

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