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CVE-2025-24797

30
FAUCET Score

CVE-2025-24797 is a critical vulnerability affecting Meshtastic firmware and software, an open-source mesh networking solution. It involves a buffer overflow due to improper handling of invalid protobuf data in mesh packets, allowing unauthenticated remote code execution without user interaction if the device rebroadcasts on the default channel. With a CVSS score of 9.8 (CRITICAL) and a FAUCET Risk Score of 96/100, this vulnerability poses a severe risk, enabling full compromise of confidentiality, integrity, and availability. While there is no known active exploitation, public exploit code, or KEV listing, the vulnerability has garnered some community discussion, indicating awareness.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.6.2CPE matchmatch criteria
cpe:2.3:o:meshtastic:meshtastic_firmware:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.4CRITICAL

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 Impact
HIGH
Integrity Impact
LOW
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.5
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.86%
Probability of exploitation in next 30 days
EPSS Percentile
54.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0086 is in the 39th percentile among its peer group of 36,862 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

github.com / meshtastic/firmware/security/advisories/GHSA-33hw-xhfh-944r
Third Party Advisory