CVE-2020-37175 in P2PWIFICAM2
Summary
by MITRE • 02/11/2026
P2PWIFICAM2 for iOS 10.4.1 contains a denial of service vulnerability that allows attackers to crash the application by manipulating the Camera ID input field. Attackers can paste a 257-character buffer into the Camera ID field to trigger an application crash on iOS devices.
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Analysis
by VulDB Data Team • 02/11/2026
The vulnerability identified as CVE-2020-37175 affects P2PWIFICAM2 iOS application version 10.4.1 and represents a classic buffer overflow condition that manifests as a denial of service attack. This flaw exists within the input validation mechanism of the application's Camera ID field, where the software fails to properly sanitize or limit user-provided data before processing. The vulnerability is categorized under CWE-121 as a stack-based buffer overflow, which occurs when more data is written to a buffer than it can hold, causing the application to crash or behave unpredictably. The specific trigger involves pasting a 257-character string into the Camera ID input field, which exceeds the allocated buffer space and results in memory corruption that terminates the application process.
The operational impact of this vulnerability extends beyond simple application instability as it provides attackers with a reliable method to disrupt legitimate user operations and potentially gain insights into the application's internal structure. When an attacker successfully exploits this vulnerability, the application experiences an abrupt termination that prevents users from accessing camera functionality or performing any operations within the application. This denial of service condition can be particularly problematic in environments where the application is used for critical surveillance or monitoring purposes, as it could be weaponized to prevent authorized users from accessing security footage or camera feeds. The vulnerability demonstrates poor input validation practices and inadequate bounds checking within the application's data handling routines, making it susceptible to exploitation by adversaries with minimal technical expertise.
From a cybersecurity perspective, this vulnerability aligns with ATT&CK technique T1499.004 which covers network denial of service attacks through resource exhaustion or application crashes. The attack vector is straightforward and requires no sophisticated tools or deep technical knowledge, making it accessible to a broad range of threat actors. The vulnerability exists at the application layer and does not require elevated privileges or complex exploitation chains, which increases its threat potential. Security researchers have identified that this flaw could be part of a larger pattern of insecure programming practices in mobile applications, particularly those involving direct user input handling without proper sanitization. The 257-character threshold suggests the application allocates a buffer of approximately 256 characters, which is a common pattern in legacy code implementations that lack modern memory safety protections.
Mitigation strategies for this vulnerability should focus on implementing proper input validation and bounds checking mechanisms within the application code. Developers should enforce strict length limitations on user inputs and implement proper buffer management techniques to prevent overflow conditions. The recommended approach includes validating input length before processing, implementing input sanitization routines, and using safe string handling functions that automatically prevent buffer overflows. Additionally, application developers should consider implementing defensive programming practices such as stack canaries, address space layout randomization, and other memory protection mechanisms. Organizations using this application should immediately update to the latest version where this vulnerability has been patched, and implement monitoring to detect potential exploitation attempts. The vulnerability also underscores the importance of regular security assessments and code reviews to identify similar issues in other parts of the application's codebase, particularly in areas that handle user-provided data or external inputs.