CVE-2025-34123: VideoCharge Studio 2.12.3.685 SEH Buffer Overflow via .VSC File

Severity: high (CVSS 8.4 v4.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-07-16 · updated 2026-06-17
Weakness: CWE-20

Description

A stack-based buffer overflow vulnerability exists in VideoCharge Studio 2.12.3.685 when processing a specially crafted .VSC configuration file. The issue occurs due to improper handling of user-supplied data in the XML 'Name' attribute, leading to an SEH overwrite condition. An attacker can exploit this vulnerability by convincing a user to open a malicious .VSC file, resulting in arbitrary code execution under the context of the user.

Affected products

VideoCharge Software Studio: 2.12.3.685

References

https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/windows/fileformat/videocharge_studio.rb
https://www.exploit-db.com/exploits/29234
https://www.vulncheck.com/advisories/video-charge-studio-seh-buffer-overflow

Get alerted when CVE-2025-34123 or the next vulnerability affects your stack