CVE-2025-47391 is a high-severity vulnerability identified in various Qualcomm firmware components. This vulnerability allows for memory corruption when processing a frame request from user input, potentially leading to unauthorized access and system instability. With a CVSS score of 7.8, it presents a serious risk to organizations utilizing affected Qualcomm technologies. The urgency for defenders is to prioritize patching immediately.
The vulnerability affects multiple firmware versions, specifically targeting Qualcomm's WCN and WSA product lines, among others. Given the widespread use of Qualcomm technology across numerous devices, the potential impact is significant. Organizations should assess their environments for exposure and implement necessary updates to mitigate risks.
Currently, there are no known exploits publicly available for this vulnerability, and it is not included in the Known Exploited Vulnerabilities (KEV) catalog. However, the nature of the vulnerability indicates a potential for exploitation if left unaddressed.
It is critical for organizations to remain vigilant and proactive in their security posture, particularly in light of the evolving threat landscape. Organizations should schedule remediation efforts as part of their security strategy.
Vulnerability Details
The official description states that the vulnerability is characterized by memory corruption while processing a frame request from the user. The vulnerability is classified under CWE-121, indicating a potential for buffer overflow scenarios.
The CVSS score of 7.8 indicates a high severity level, primarily due to high impacts on confidentiality, integrity, and availability. Affected products include various Qualcomm firmware versions, notably those associated with WCN and WSA components.
Technical Analysis
The root cause of CVE-2025-47391 lies in improper handling of user input during frame request processing, leading to memory corruption. The attack vector is local, requiring low privileges for exploitation, and does not require user interaction. The attack complexity is low, making it easier for potential attackers to exploit the vulnerability.
The impacts of this vulnerability are severe, with high confidentiality, integrity, and availability implications. Successful exploitation could lead to unauthorized access, data manipulation, and system disruptions.
Risk & Impact Analysis
Risk to organizations includes potential unauthorized access and significant system instability. The vulnerability has a low EPSS score of 0.000060, placing it in the 0.0043 percentile, indicating a relatively low current probability of exploitation but a high impact if exploited.
Organizations should address this vulnerability promptly as part of their security management strategy, particularly given the high CVSS score and the potential blast radius of exploitation across multiple products. The urgency for remediation is high, and organizations are advised to prioritize patching.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
Affected versions include all firmware prior to vendor patch across multiple Qualcomm products, including WCN and WSA firmware variants. Organizations should review their systems against the provided CPE entries.
Mitigation & Remediation
To mitigate the risks associated with CVE-2025-47391, organizations should apply the latest firmware patches provided by Qualcomm. For those unable to apply the patches immediately, consider implementing temporary network controls and monitoring to detect any suspicious activity.
For further assistance in identifying vulnerabilities and implementing security measures, organizations may consider penetration testing services to ensure a robust security posture.
Detection Guidance
Organizations should monitor logs for indicators of unauthorized access attempts and anomalous behavior. Specific attention should be given to unusual frame request patterns that may indicate exploitation attempts.
AppSecure Threat Intelligence Insight
The long-term significance of CVE-2025-47391 lies in its demonstration of how memory corruption vulnerabilities can lead to widespread security risks. Security teams should learn from this incident to improve code review processes and implement stricter input validation measures.
This vulnerability highlights the importance of timely patch management and proactive security assessments. For further reading on security best practices, refer to the following resources: penetration testing methodology, vulnerability management program design, and API penetration testing guide to enhance security capabilities.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.

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