CVE-2023-53966

SOUND4 LinkAndShare Transmitter 1.1.2 Format String Stack Buffer Overflow

SOUND4 LinkAndShare Transmitter 1.1.2 contains a format string vulnerability that allows attackers to trigger memory stack overflows through maliciously crafted environment variables. Attackers can manipulate the username environment variable with format string payloads to potentially execute arbitrary code and crash the application.

Affected

SOUND4 Ltd. · SOUND4 LinkAndShare Transmitter

CVSS v4.0 VULNCHECK

9.3 CRITICALCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/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

CVSS v3.1 VULNCHECK

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

EPSS

0.73% chance of exploitation in the next 30 days, 54th percentile

Published

2025-12-22

Proof-of-concept exploits (1)

• https://www.exploit-db.com/exploits/51259

Security advisories

• https://www.vulncheck.com/advisories/sound-linkandshare-transmitter-format-string-stack-b…
• https://www.zeroscience.mk/en/vulnerabilities/ZSL-2023-5744.php
• https://web.archive.org/web/20221207074555/https://www.sound4.com

References

• CVE Record
• NVD entry