CVE-2023-53966
CVE-2023-53966 is a critical-severity vulnerability in Sound4 Linkandshare Transmitter with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-134.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v4: 9.3
- EPSS exploit prediction: 1% (45th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2023-60228
- Weakness: CWE-134
- Affected product: Sound4 Linkandshare Transmitter
- Published:
- Last modified:
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.
Frequently asked questions
- What is 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.
- How severe is CVE-2023-53966?
- CVE-2023-53966 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2023-53966 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-53966?
- CVE-2023-53966 affects Sound4 Linkandshare Transmitter. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-53966?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- Does CVE-2023-53966 have an EU (EUVD) identifier?
- Yes. CVE-2023-53966 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-60228.
- When was CVE-2023-53966 published?
- CVE-2023-53966 was published on 2025-12-22 and last updated on 2026-06-17.
References
- https://web.archive.org/web/20221207074555/https://www.sound4.com/
- https://www.exploit-db.com/exploits/51259
- https://www.vulncheck.com/advisories/sound-linkandshare-transmitter-format-string-stack-buffer-overflow
- https://www.zeroscience.mk/en/vulnerabilities/ZSL-2023-5744.php
Affected products (1)
- cpe:2.3:a:sound4:linkandshare_transmitter:1.1.2:*:*:*:*:*:*:*
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