What is the CVSS score of CVE-2025-24797?

CVE-2025-24797 has a CVSS 3.1 base score of 9.4 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H. EPSS exploitation probability: 2.0%.

Which versions of Meshtastic Firmware are affected by CVE-2025-24797?

Organizations using Meshtastic face critical risk from CVE-2025-24797, a buffer overflow vulnerability rated CVSS 9.4.

How to fix or mitigate CVE-2025-24797?

Within 24 hours: Identify all affected systems and apply vendor patches immediately. Monitor vendor channels for patch availability.

Meshtastic Firmware CVE-2025-24797

CRITICAL

Buffer Overflow (CWE-119)

2025-04-15 security-advisories@github.com

Buffer Overflow RCE Meshtastic Firmware

9.4

CVSS 3.1 · GitHub Advisory

Severity by source

GitHub Advisory PRIMARY

9.4 CRITICAL

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

Primary rating from GitHub Advisory · only source for this CVE.

CVSS VectorGitHub Advisory

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

Low

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 18:36 vuln.today

CVE Published

Apr 15, 2025 - 00:15 nvd

CRITICAL 9.4

DescriptionGitHub Advisory

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.

AnalysisAI

Meshtastic is an open source mesh networking solution. Rated critical severity (CVSS 9.4), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Buffer Overflow (CWE-119), which allows attackers to corrupt memory to execute arbitrary code or crash the application. 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. Affected products include: Meshtastic Meshtastic Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Use memory-safe languages or bounds-checking. Enable ASLR, DEP/NX, stack canaries. Use safe string functions.

CVE-2025-24797 vulnerability details – vuln.today

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