CVE-2025-34449

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 v3.1 Score

9.1

CRITICAL

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

Weakness Type (CWE)

CWE-502 Deserialization of Untrusted Data

Affected Products

Vendor	Product	Versions
genymotion	scrcpy	< 3.3.4

References

Advisories & Patches

https://github.com/Genymobile/scrcpy/commit/3e40b24 https://github.com/Genymobile/scrcpy/issues/6415

Exploits

https://github.com/Genymobile/scrcpy/issues/6415 https://github.com/marlinkcyber/advisories/blob/main/advisories/MCSAID-2025-003-scrcpy-global-buffer-overflow.md https://github.com/marlinkcyber/advisories/blob/main/advisories/MCSAID-2025-003-scrcpy-global-buffer-overflow.md

Other References

https://www.vulncheck.com/advisories/genymobile-scrcpy-global-buffer-overflow

Frequently Asked Questions

What is 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. It has a CVSS v3.1 base score of 9.1 (CRITICAL).

How severe is CVE-2025-34449? +

CVE-2025-34449 has a CVSS v3.1 score of 9.1 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.

What products are affected by CVE-2025-34449? +

CVE-2025-34449 affects products from genymotion, specifically: scrcpy. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-34449? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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