CVE-2019-25354 in iSmartViewPro
Summary
by MITRE • 02/19/2026
iSmartViewPro 1.3.34 contains a denial of service vulnerability that allows attackers to crash the application by overflowing the camera ID input field. Attackers can paste a 257-character buffer into the camera DID and password fields to trigger an application crash on iOS devices.
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Analysis
by VulDB Data Team • 02/19/2026
The vulnerability identified as CVE-2019-25354 represents a classic buffer overflow condition within the iSmartViewPro mobile application version 1.3.34 specifically targeting iOS platforms. This flaw exists in the input validation mechanisms of the application's camera identification and authentication processes, where the software fails to properly sanitize user-supplied data before processing. The vulnerability manifests when attackers exploit the lack of proper bounds checking in the camera DID (Device ID) and password input fields, creating a scenario where maliciously crafted input can cause the application to exceed its allocated memory buffer limits.
The technical implementation of this vulnerability aligns with CWE-121, which describes stack-based buffer overflow conditions, and CWE-122, which covers heap-based buffer overflows. The attack vector specifically targets the application's input handling routines where it processes camera identification information and authentication credentials. When a 257-character string is pasted into either the camera DID or password fields, the application's memory management fails to handle the excessive input gracefully, resulting in memory corruption that ultimately leads to application termination. This behavior demonstrates a fundamental flaw in the software's defensive programming practices and input validation protocols.
From an operational perspective, this denial of service vulnerability presents significant risks to users of the iSmartViewPro application, particularly in environments where continuous monitoring and security surveillance are critical. The impact extends beyond simple application instability as it can disrupt security operations and potentially provide attackers with insights into the application's internal architecture. The vulnerability affects iOS devices specifically, indicating that the developers may have implemented platform-specific code paths that lack proper input sanitization. This type of vulnerability can be exploited by adversaries to gain operational intelligence about the target system and may serve as a precursor to more sophisticated attacks. The ease of exploitation, requiring only a simple copy-paste operation with a 257-character string, makes this vulnerability particularly concerning for security practitioners.
Mitigation strategies for this vulnerability should focus on implementing robust input validation and bounds checking mechanisms within the application's core processing functions. The recommended approach includes implementing proper buffer size limitations, employing input sanitization routines, and utilizing modern programming practices that prevent buffer overflow conditions. Security controls should be implemented at multiple layers including application-level input validation, network-level filtering, and mobile device management policies. Organizations should also consider implementing runtime protection mechanisms such as stack canaries, address space layout randomization, and data execution prevention to further reduce the attack surface. The vulnerability demonstrates the importance of adhering to secure coding standards and conducting thorough input validation testing as outlined in the OWASP Secure Coding Practices. Additionally, regular security assessments and penetration testing should be conducted to identify similar buffer overflow conditions in other application components, ensuring comprehensive protection against similar vulnerabilities in the broader software ecosystem.