Vulnerability in Sound4 Linkandshare Transmitter
CVE-2023-53966
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.007 (52.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 53rd percentile — 52.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: +0.000
Affected products
- Sound4 Linkandshare Transmitter — versions 1.1.2
- Sound4 Ltd. Linkandshare Transmitter — versions 1.1.2
Weakness classification (CWE)
References
- www.exploit-db.com/exploits/51259 (Exploit, Third Party Advisory, exploit)
- web.archive.org/web/20221207074555/https://www.sound4.com/ (Product, product)
- www.zeroscience.mk/en/vulnerabilities/ZSL-2023-5744.php (Third Party Advisory, third-party-advisory)
- www.vulncheck.com/advisories/sound-linkandshare-transmitter-format-string-stack… (Exploit, Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2023-53966?
- CVE-2023-53966 is a critical-severity vulnerability in Sound4 Linkandshare Transmitter, classified under Use of Externally-Controlled Format String. CVSS score: 9.8/10. Published 2025-12-22.
- How severe is CVE-2023-53966?
- Critical severity. CVSS v3 base score is 9.8 out of 10.