CVE-2025-52519
Published: 05 January 2026
Summary
CVE-2025-52519 is a high-severity Improper Input Validation (CWE-20) vulnerability in Samsung Exynos 1330 Firmware. Its CVSS base score is 7.1 (High).
Operationally, exploitation aligns with the MITRE ATT&CK technique Data from Local System (T1005); ranked at the 12.2th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
Threat & Defense at a Glance
Threat & Defense Details
Likely Mitigating ControlsAI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Security testing and developer training directly verify and enforce proper input validation, reducing exploitability of injection and malformed-data weaknesses.
Security testing and evaluation at multiple SDLC stages directly detects missing or flawed input validation, with the required remediation process ensuring fixes are applied.
Directly implements checks on information inputs to reject invalid data before processing.
Spam protection mechanisms perform filtering and detection on inbound/outbound messages, directly compensating for missing or weak input validation of unsolicited content.
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
Local kernel driver input validation flaw directly enables unauthorized data reads from the system (info disclosure) and targeted DoS via exploitation of the driver.
NVD Description
An issue was discovered in the Camera in Samsung Mobile Processor and Wearable Processor Exynos 1330, 1380, 1480, 2400, 1580, and 2500. Improper validation of user-space input in the issimian device driver leads to information disclosure and a denial of…
more
service.
Deeper analysisAI
CVE-2025-52519 is a vulnerability discovered in the Camera component of Samsung Mobile Processor and Wearable Processor Exynos 1330, 1380, 1480, 2400, 1580, and 2500. It stems from improper validation of user-space input (CWE-20) in the issimian device driver, enabling information disclosure and denial of service. The issue carries a CVSS v3.1 base score of 7.1 (AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H) and was published on 2026-01-05.
A local attacker with low privileges can exploit this vulnerability with low complexity and no user interaction required. Successful exploitation allows high-impact confidentiality loss through information disclosure and high-impact availability disruption via denial of service, without affecting integrity or changing scope.
Samsung Semiconductor has issued product security updates addressing this vulnerability, detailed at https://semiconductor.samsung.com/support/quality-support/product-security-updates/ and the dedicated CVE page https://semiconductor.samsung.com/support/quality-support/product-security-updates/cve-2025-52519/. Security practitioners should consult these advisories for patch availability and mitigation guidance specific to affected Exynos processors.
Details
- CWE(s)