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Vulnerability record · CVE-2023-53966 · published 22 December 2025

CVE-2023-53966: Sound4 linkandshare transmitter vulnerability

Sound4 · Linkandshare Transmitter

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.

9.3 CVSS 4.0 Critical EPSS 0.73% · top 47.5% CWE-134 · CWE-134
9.3CVSS 4.0 base score
0.73%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
5References, 2 tagged exploit
17 Jun 2026Last modified by NVD

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.

CVSS: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:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2023-53966), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.