PT-2025-33677 · Unknown · Meshtastic

Dfsx1 · Published 2025-08-18 · Updated 2025-10-17 · CVE-2025-55293

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions: Meshtastic versions prior to 2.6.3

Description: Meshtastic is a mesh networking solution. An attacker can send NodeInfo with an empty publicKey to bypass size checks, clearing the existing public key. Subsequently, a new key can be sent and stored in NodeDB, overwriting the legitimate key.

Recommendations: Update to version 2.6.3.

Exploit

Fix

Improper Authentication

Weakness Enumeration

CWE-287

Related Identifiers

CVE-2025-55293

GHSA-95PQ-GJ5V-4FG2

Affected Products

Meshtastic

References · 12

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/55xxx/CVE-2025-55293.json · Exploit
• https://github.com/meshtastic/firmware/security/advisories/GHSA-95pq-gj5v-4fg2 · Vendor Advisory
• https://github.com/meshtastic/firmware/pull/6372 · Patch
• https://github.com/meshtastic/firmware/commit/cf7f0f9d0895602df3453a4f5cfea843f4e09744 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2025-55293 · Security Note
• https://osv.dev/vulnerability/CVE-2025-55293 · Vendor Advisory
• https://t.me/cveNotify/139218 · Telegram Post
• https://twitter.com/cracbot/status/1959209057681809530 · Twitter Post
• https://twitter.com/CVEnew/status/1957500989893705775 · Twitter Post
• https://twitter.com/cracbot/status/1958846678272024611 · Twitter Post
• https://t.me/CVEtracker/30293 · Telegram Post
• https://twitter.com/CveFindCom/status/1957497756659978681 · Twitter Post