A flaw has been found in Tenda HG10 HG7_HG9_HG10re_300001138_en_xpon. This issue affects the function formRoute of the file /boaform/formRouting of the component Boa Service. This manipulation of the argument nextHop causes buffer overflow. It is possible to initiate the attack remotely. The exploit has been published and may be used.
With a CVSS score of 7.4, this vulnerability is classified as high severity. Organizations should prioritize patching immediately. The potential impact involves high confidentiality, integrity, and availability risks, making it critical for organizations to address this vulnerability.
The risk to organizations includes remote exploitation, which could lead to unauthorized access and system compromise. Given the published exploit, it is imperative to act swiftly to safeguard systems against potential attacks.
Organizations should assess their exposure to this vulnerability and implement necessary security measures to mitigate the risk. Regular updates and monitoring are essential to maintaining security in the face of such vulnerabilities.
Vulnerability Details
A flaw has been found in Tenda HG10 HG7_HG9_HG10re_300001138_en_xpon. This issue affects the function formRoute of the file /boaform/formRouting of the component Boa Service. This manipulation of the argument nextHop causes buffer overflow. It is possible to initiate the attack remotely. The exploit has been published and may be used.
The CWE classifications for this vulnerability include CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) and CWE-120 (Buffer Copy without Checking Size of Input).
This vulnerability has a CVSS 3.1 base score of 8.8, indicating high severity with a network attack vector, low attack complexity, and low privileges required for exploitation.
Technical Analysis
The root cause of this vulnerability stems from improper handling of the argument nextHop in the formRoute function. Attackers may exploit this flaw by sending specially crafted requests to the affected component, leading to a buffer overflow.
The attack vector for this vulnerability is network-based, requiring no user interaction. The attack complexity is low, and only low privileges are required to exploit the vulnerability. The potential impacts of the vulnerability include high confidentiality, integrity, and availability risks.
Risk & Impact Analysis
Real-world deployment of vulnerable Tenda devices presents significant risk. Organizations utilizing these products must acknowledge the potential for exploitation, which could lead to unauthorized access and data breaches.
Given the high CVSS score of 8.8 and the potential availability of exploit code, organizations should address this vulnerability in their priority patch cycle. The blast radius could encompass all devices using the affected Boa Service, amplifying the urgency for remediation.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | Yes |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
Specific affected versions are not detailed. Organizations should consider all versions prior to vendor patch as potentially vulnerable.
Mitigation & Remediation
Organizations should prioritize patching immediately. Ensure updates are applied to the Tenda HG10 product line to remediate this vulnerability. If a patch is not available, consider implementing network segmentation and access controls to limit exposure.
Monitoring and logging should be enhanced to detect any unusual activity indicative of exploitation attempts.
Detection Guidance
Log indicators to monitor include unusual patterns of traffic directed at the Boa Service. Behavioral anomalies involving device performance may also signal exploitation attempts.
Network signatures indicative of exploit attempts should be established to enhance detection capabilities.
AppSecure Threat Intelligence Insight
The long-term significance of CVE-2026-6988 highlights the necessity for organizations to maintain robust vulnerability management practices. Regular assessments and timely patching are crucial to mitigate risks associated with known vulnerabilities.
This vulnerability also demonstrates the importance of monitoring exploit trends within the IoT landscape, as such vulnerabilities can be exploited remotely with relative ease.
Organizations are encouraged to review their security posture against remote exploitation risks, ensuring they remain vigilant in the face of evolving threats.
For further information on vulnerability management, organizations may refer to our comprehensive guide on vulnerability management programs to enhance their defensive strategies.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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