CVE-2025-34449

Name: CVE-2025-34449
Creator: NVD / NIST
Published: 2025-12-18T22:15:56.003+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.9/10EPSS 0.34%

Last modified Jun 17, 2026

CVE-2025-34449 is a medium-severity vulnerability rated 6.9/10 on the CVSS scale. Genymobile/scrcpy versions up to and including 3.3.3, prior to commit 3e40b24, contain a buffer overflow vulnerability in the sc_device_msg_deserialize() function. A compromised device can send crafted messages that cause out-of-bounds reads, which may result in memory corruption or a denial-of-service condition. EPSS estimates a 0.34% chance of exploitation in the next 30 days.

Description

Genymobile/scrcpy versions up to and including 3.3.3, prior to commit 3e40b24, contain a buffer overflow vulnerability in the sc_device_msg_deserialize() function. A compromised device can send crafted messages that cause out-of-bounds reads, which may result in memory corruption or a denial-of-service condition. This vulnerability may allow further exploitation on the host system.

Metrics

CVSS 3.1

9.1/10

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

CVSS 4.0

6.9/10

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.34%

26.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Genymotion	Scrcpy	< 3.3.4

References

https://github.com/Genymobile/scrcpy/commit/3e40b24Patch
https://github.com/Genymobile/scrcpy/issues/6415Exploit, Issue Tracking, Patch
https://github.com/marlinkcyber/advisories/blob/main/advisories/MCSAID-2025-003-scrcpy-global-buffer-overflow.mdExploit, Third Party Advisory
https://www.vulncheck.com/advisories/genymobile-scrcpy-global-buffer-overflowThird Party Advisory
https://github.com/marlinkcyber/advisories/blob/main/advisories/MCSAID-2025-003-scrcpy-global-buffer-overflow.mdExploit, Third Party Advisory

Timeline

Published: Dec 18, 2025
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2025-34449?

How severe is CVE-2025-34449?

CVE-2025-34449 has a CVSS score of 6.9/10 (MEDIUM severity). The EPSS model estimates a 0.34% probability of exploitation in the next 30 days.

How do I fix CVE-2025-34449?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-34449?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST