CVE-2025-22907 is a critical vulnerability discovered in Edimax RE11S firmware version 1.11. The flaw is categorized as a stack overflow vulnerability that can be exploited via the selSSID parameter in the formWlSiteSurvey function. With a CVSS score of 9.8, this vulnerability poses a significant risk to affected systems.
The severity of this vulnerability is critical, indicating that it can be easily exploited and has far-reaching effects. Risk to organizations includes unauthorized access, data breaches, and potential service disruptions. Organizations should prioritize patching immediately.
As of now, no public exploit has been confirmed, but the ease of exploitation combined with the critical nature of the vulnerability makes it imperative for organizations to address this issue promptly. The lack of a known exploit does not diminish the urgency of remediation.
Given the critical severity and the potential impact on confidentiality, integrity, and availability, organizations using the affected Edimax RE11S firmware should take immediate steps to mitigate risks associated with this vulnerability.
Vulnerability Details
According to the official CVE description, "RE11S v1.11 was discovered to contain a stack overflow via the selSSID parameter in the formWlSiteSurvey function." This vulnerability is classified under CWE-120, indicating a buffer copy without checking size, which is a common programming error.
The CVSS score of 9.8 categorizes this vulnerability as critical, highlighting its potential for exploitation through network access with low attack complexity. No privileges are required for exploitation, and user interaction is not necessary.
The affected product is the Edimax RE11S firmware version 1.11, and organizations running this version are at risk. The vulnerability was published on January 16, 2025, and has since been analyzed for its potential impact.
Technical Analysis
The root cause of this vulnerability lies in the improper handling of input parameters within the formWlSiteSurvey function. Attackers may leverage this oversight to manipulate the selSSID parameter, resulting in a stack overflow.
The attack vector is network-based, allowing remote attackers to exploit the vulnerability without physical access to the device. The attack complexity is low, as no special conditions are required to trigger the vulnerability. Furthermore, attackers do not need any privileges to exploit this flaw, and user interaction is unnecessary.
If exploited, the vulnerability could lead to high impacts on confidentiality, integrity, and availability of the device and its data.
Risk & Impact Analysis
The real-world risk posed by CVE-2025-22907 is significant for organizations relying on the Edimax RE11S firmware. Given its critical nature, this vulnerability can facilitate unauthorized access, leading to data breaches and operational disruptions.
The potential blast radius is broad, affecting any organization utilizing the vulnerable firmware. Organizations should evaluate their exposure and take proactive measures to mitigate potential impacts.
The urgency for remediation is critical, especially given the CVSS score, which reflects the ease of exploitation and the potential for severe consequences. Organizations should prioritize this vulnerability in their patching cycles.
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
The affected version of the product is RE11S firmware version 1.11. Organizations running this version should take immediate action to remediate the vulnerability. If version information is missing, organizations should assume that all versions prior to the vendor patch are affected.
Mitigation & Remediation
To mitigate the risk posed by this vulnerability, organizations should apply the latest patches from Edimax as soon as they are available. Regularly updating firmware is crucial to maintaining security posture.
In cases where immediate patching is not feasible, organizations may implement workarounds such as disabling the vulnerable functionality or restricting network access to the device to limit exposure.
For further guidance on ensuring application security, organizations can consider engaging in penetration testing to identify similar weaknesses.
Detection Guidance
Organizations should monitor logs for any unusual behavior associated with the RE11S firmware. Key indicators include unexpected reboots, unauthorized access attempts, and unusual network traffic patterns.
Behavioral anomalies should be investigated promptly, and network signatures should be established to detect any potential exploitation attempts.
AppSecure Threat Intelligence Insight
The long-term significance of CVE-2025-22907 highlights the importance of secure coding practices in firmware development. This vulnerability serves as a reminder for organizations to continuously evaluate their software for potential weaknesses.
The pattern of vulnerabilities related to stack overflows emphasizes the need for thorough input validation and boundary checks during the development lifecycle.
Security teams should take this opportunity to strengthen their security posture through proactive measures. To learn more about effective security practices, organizations can refer to our insights on vulnerability management programs and the importance of continuous security assessments.
Additionally, organizations should be aware of evolving attack vectors and consider implementing penetration testing methodologies to stay ahead of potential threats.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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