CVE-2023-53966

CRITICAL 9.8CVE-2023-53966 · Published 22/12/2025 · updated 17/06/2026

In short

CVE-2023-53966 is a CRITICAL (CVSS 9.8) vulnerability affecting linkandshare transmitter (sound4).
Chance of exploitation in the next 30 days (EPSS): 0.73%, higher than 54.4% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
linkandshare transmitter sound4	`= 1.1.2`	No fix yet

Description

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.

References

web.archive.org/web/20221207074555/https://www.sound4.com · Product
exploit-db.com/exploits/51259 · Exploit
vulncheck.com/advisories/sound-linkandshare-transmitter-format-string-stack-buffer-overflow · Exploit
zeroscience.mk/en/vulnerabilities/ZSL-2023-5744.php · Third Party Advisory

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