Deserialization in Genymobile Scrcpy
CVE-2025-34449
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.
Vulnerability class: Insecure Deserialization
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H.
EPSS exploit prediction
EPSS: 0.004 (34.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 34th percentile — 34.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.000
Affected products
- Genymobile Scrcpy — versions 0, 3e40b2473772cea3a23d4932088fd0bc4cc0f52c
- Genymotion Scrcpy
Weakness classification (CWE)
References
- github.com/marlinkcyber/advisories/blob/main/advisories/MCSAID-2025-003-scrcpy-… (Exploit, technical-description, Third Party Advisory, exploit)
- github.com/Genymobile/scrcpy/issues/6415 (issue-tracking, Exploit, Patch, Issue Tracking)
- github.com/Genymobile/scrcpy/commit/3e40b24 (Patch, patch)
- www.vulncheck.com/advisories/genymobile-scrcpy-global-buffer-overflow (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2025-34449?
- CVE-2025-34449 is a critical-severity vulnerability in Genymobile Scrcpy, classified under Deserialization of Untrusted Data. CVSS score: 9.1/10. Published 2025-12-18.
- How severe is CVE-2025-34449?
- Critical severity. CVSS v3 base score is 9.1 out of 10.