CVE-2025-47407 is a high-severity vulnerability affecting several Qualcomm firmware components. This vulnerability allows memory corruption while creating a process on the digital signal processor due to allocation failure at the kernel level. With a CVSS score of 7.8, it is classified as high severity, indicating a significant risk to affected systems.
Risk to organizations includes potential unauthorized access to sensitive information and disruption of service. Attackers may leverage this vulnerability to execute arbitrary code, which could lead to total system compromise. Organizations should prioritize patching immediately.
As of the date of this report, there is no public exploit confirmed for this vulnerability. However, the critical nature of the vulnerability necessitates immediate attention from security teams to mitigate potential risks.
Organizations should address this vulnerability in their priority patch cycle to prevent potential exploitation.
Vulnerability Details
The official description of CVE-2025-47407 states that it involves memory corruption due to an allocation failure in the kernel level process creation on Qualcomm digital signal processors. The vulnerability has been classified under CWE-367, indicating a race condition in a multi-threaded environment.
The vulnerability affects multiple firmware versions, including but not limited to cq7790_firmware, cq8725s_firmware, and various fastconnect firmware versions. The vulnerability was published on May 4, 2026, and has been analyzed for its impact.
Technical Analysis
The root cause of this vulnerability is attributed to memory allocation failure, which leads to improper handling of resources in kernel mode. The attack vector is local, meaning an attacker needs physical or logical access to the vulnerable system to exploit it. The attack complexity is low, requiring minimal expertise to trigger the vulnerability.
The privilege required for exploitation is low; thus, any authenticated user may be able to exploit this vulnerability without additional user interaction. The impacts of a successful exploit are severe, with high confidentiality, integrity, and availability impacts, potentially leading to a complete system takeover.
Risk & Impact Analysis
Real-world deployment risk is significant due to the high severity of the vulnerability. Organizations using affected Qualcomm firmware could face severe consequences, including data breaches and service disruptions. The blast radius potential is extensive, as the vulnerability affects multiple firmware versions across various devices.
Urgency for remediation is high based on the CVSS score and the potential impact on confidentiality, integrity, and availability. Organizations should act swiftly to evaluate their systems for this vulnerability and apply patches as soon as they are available.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
The affected versions include various Qualcomm firmware releases. If specific version information is unavailable, it is noted that all versions prior to the vendor patch are affected.
Mitigation & Remediation
Qualcomm has provided a patch to address this vulnerability. Organizations should ensure they are running the latest firmware versions by checking the official Qualcomm advisory at Qualcomm Security Bulletin. If a patch is not available, organizations should implement configuration hardening and network controls as interim measures.
Detection Guidance
Organizations should monitor system logs for indicators of exploitation attempts, including unexpected process creation and abnormal kernel behavior. Additionally, behavioral anomalies in affected systems should be investigated promptly.
AppSecure Threat Intelligence Insight
The long-term significance of CVE-2025-47407 lies in its demonstration of how critical vulnerabilities in firmware can expose organizations to severe risks. Security teams should take this as a lesson to prioritize regular updates and vulnerability assessments, ensuring that all systems are patched promptly.
This vulnerability reflects a trend in increasing firmware vulnerabilities, which necessitates a proactive approach to security. Organizations can enhance their defenses by adopting comprehensive security testing practices such as penetration testing and maintaining a robust incident response plan.
To further understand the implications of this vulnerability, organizations are encouraged to read more about related security practices and trends, including the importance of vulnerability management programs and the integration of security into the software development lifecycle.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.

.webp)