On January 16, 2025, a critical vulnerability was disclosed affecting Edimax RE11S firmware version 1.11. This vulnerability allows for a stack overflow via the rootAPmac parameter in the formStaDrvSetup function. With a CVSS score of 9.8, this vulnerability poses significant risks to organizations, as it can lead to unauthorized access and control over affected devices.
The severity of this vulnerability cannot be understated. Attackers may leverage this flaw to execute arbitrary code, potentially compromising the integrity, confidentiality, and availability of the affected systems. Organizations should prioritize patching immediately to safeguard their networks against potential exploitation.
As of now, there are no public exploits confirmed for this vulnerability, but given its high severity and the potential for exploitation, organizations must remain vigilant and proactive in addressing this issue.
In summary, the urgency for defenders is clear: immediate action is required to patch this critical vulnerability in the Edimax RE11S firmware.
Vulnerability Details
The vulnerability in question has been classified under CWE-120, indicating a stack-based buffer overflow. The CVSS score of 9.8 classifies it as critical, highlighting the need for immediate attention by affected organizations.
The vulnerability affects Edimax RE11S firmware version 1.11, published on January 16, 2025. The attack vector is network-based, with low complexity and no privileges or user interaction required, making exploitation easier for potential attackers.
Technical Analysis
The root cause of this vulnerability lies in improper handling of input parameters, specifically the rootAPmac parameter in the formStaDrvSetup function. This oversight allows attackers to send crafted requests that could trigger a stack overflow.
Exploitation of this vulnerability can occur over the network, requiring no special privileges or user interaction. The impact of successful exploitation includes high confidentiality, integrity, and availability risks, indicating a severe threat to the affected systems.
Risk & Impact Analysis
With the potential for widespread exploitation due to the ease of attack, organizations utilizing Edimax RE11S firmware should assess their exposure and implement immediate mitigation strategies. The blast radius of this vulnerability could extend to all devices running the affected firmware, emphasizing the critical need for prompt action.
Given the critical score of 9.8 and the absence of public exploits, organizations must remain vigilant and prioritize this vulnerability in their patch management cycles. The potential for attackers to leverage this vulnerability for unauthorized access underscores the urgency for immediate remediation.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
The affected version is Edimax RE11S firmware version 1.11. Organizations using this version should upgrade to the latest patched version provided by the vendor to mitigate the risks associated with this vulnerability.
Mitigation & Remediation
Organizations are urged to apply the latest firmware updates provided by Edimax to remediate this vulnerability. Regularly updating systems and employing penetration testing can help identify such vulnerabilities before they are exploited.
Detection Guidance
To detect potential exploitation of this vulnerability, organizations should monitor logs for unusual behavior, analyze network traffic for anomalies, and ensure system configurations align with security best practices.
AppSecure Threat Intelligence Insight
This vulnerability signifies a critical risk within network devices, representing a pattern where stack overflows can lead to severe security breaches. Security teams should take this as a reminder to regularly assess their infrastructure for similar vulnerabilities. Implementing a robust penetration testing methodology and maintaining an effective vulnerability management program are essential defensive measures.
For further insights into vulnerabilities and their management, organizations can refer to our blog on vulnerability management program design and stay updated with the latest trends in cybersecurity.
Understanding the implications of vulnerabilities such as CVE-2025-22913 can help organizations better prepare and defend against emerging threats.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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