Critical severity · published Dec 18, 2025
CVE-2025-34449
Genymobile/scrcpy <= 3.3.3 Global Buffer Overflow
9.1
CVSS
0.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 36% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SC
scrcpy · Genymobile
through 3.3.3 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-34449
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-34449
Patch
https://github.com/Genymobile/scrcpy/commit/3e40b24
Exploit
https://github.com/Genymobile/scrcpy/issues/6415
Exploit
https://github.com/marlinkcyber/advisories/blob/main/advisories/MCSAID-2025-003-scrcpy-global-buffer-overflow.md
Third Party Advisory
https://www.vulncheck.com/advisories/genymobile-scrcpy-global-buffer-overflow
