A vulnerability was found in UTT 进取 520W 1.7.7-180627. This issue affects the function strcpy of the file /goform/ConfigExceptAli. The manipulation results in buffer overflow. It is possible to launch the attack remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.
The severity level of this vulnerability is classified as high, with a CVSS score of 7.4. This indicates a significant risk to organizations utilizing this firmware, as successful exploitation could compromise confidentiality, integrity, and availability.
Risk to organizations includes potential unauthorized access, data manipulation, and service disruptions. Organizations should prioritize patching immediately to prevent exploitation.
Currently, there is no public exploit confirmed for this vulnerability. However, given its remote attack capability and the fact that the exploit has been made public, organizations need to remain vigilant.
Vulnerability Details
The vulnerability affects the UTT 520W firmware version 1.7.7-180627, specifically the strcpy function within the /goform/ConfigExceptAli file. This flaw is categorized under CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) and CWE-120 (Buffer Copy without Checking Size of Input).
The CVSS score of 7.4 indicates a high severity level, suggesting a strong likelihood of exploitation. The attack vector is network-based, with low complexity and low privileges required for exploitation.
Organizations using this firmware should take immediate action to mitigate this risk by applying available patches or updates.
Technical Analysis
The root cause of this vulnerability stems from improper handling of input in the strcpy function, leading to a buffer overflow. Attackers can exploit this flaw by sending specially crafted requests to the vulnerable firmware.
The attack vector is remote, and the complexity of the attack is low. Exploitation does not require user interaction, and the privileges required are low. The potential impacts include high confidentiality, integrity, and availability risks.
Risk & Impact Analysis
Deploying the affected UTT firmware poses significant risks to organizations. If exploited, attackers could potentially gain unauthorized access to sensitive data, manipulate critical configurations, and disrupt services. The blast radius for this vulnerability can extend across the network, affecting multiple devices and services.
The urgency is high, and organizations should address this vulnerability in their patch cycle to mitigate risks associated with potential exploitation.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
The specific product affected is the UTT 520W firmware version 1.7.7-180627. Organizations are advised to update to the latest version to mitigate the identified vulnerabilities.
Mitigation & Remediation
Organizations should prioritize patching this vulnerability. If a patch is not available, they should consider implementing network controls to restrict access to the affected firmware and monitor for unusual activity. Regularly updating firmware can also mitigate potential vulnerabilities.
Detection Guidance
Monitoring logs for unauthorized access attempts and unusual configurations can help detect exploitation attempts. Behavioral anomalies in device performance may also indicate an ongoing attack.
AppSecure Threat Intelligence Insight
The long-term significance of CVE-2026-1140 highlights the importance of secure coding practices, particularly in firmware development. This vulnerability serves as a reminder for organizations to conduct regular security assessments and penetration testing to identify potential weaknesses in their systems.
Security teams should review their incident response plans and ensure they are prepared for potential exploitation scenarios. Strategic defensive takeaways include investing in secure software development training and fostering a culture of security awareness within development teams.
For further reading, organizations can explore comprehensive resources on penetration testing and best practices for vulnerability management.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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