CVE-2026-114268 Tenda CVE debrief

Who should care

Network administrators and security teams responsible for managing and securing Tenda BE3L Pro devices should assess their exposure and implement necessary mitigations. This includes verifying device inventory and patch management to address this high-risk vulnerability. The vulnerability's critical CVSS score indicates a high risk to affected systems, and operators should review and apply vendor patches or updates for Tenda BE3L Pro version 16.03.60.62.

Why it matters

CVE-2026-114268 is a critical buffer overflow vulnerability in the Tenda BE3L Pro WifiBasicSet function formWifiBasicSet, allowing for remote exploitation. Network administrators and security teams should assess exposure, implement mitigations, and verify device inventory and patch management to address this high-risk vulnerability.

• Remote exploitation of the buffer overflow vulnerability could lead to device compromise.
• Successful exploitation may allow attackers to execute arbitrary code on the device.
• The vulnerability's critical CVSS score indicates a high risk to affected systems.
• Verification of device inventory and patch management is necessary to mitigate this vulnerability.

Technical summary

The Tenda BE3L Pro WifiBasicSet function formWifiBasicSet is vulnerable to a buffer overflow attack. This vulnerability is due to improper handling of the security_5g argument, allowing remote attackers to exploit the device. The affected product is Tenda BE3L Pro version 16.03.60.62. The vulnerability has a CVSS score of 9.4, indicating a high risk to affected systems. Network administrators and security teams should assess their exposure and implement necessary mitigations. The CVE record and source item provide details on the vulnerability, including its existence in version 16.03.60.62 of the Tenda BE3L Pro.

Defensive priority

High

Recommended defensive actions

• Review and apply vendor patches or updates for Tenda BE3L Pro version 16.03.60.62.
• Implement network segmentation and isolation to limit the attack surface.
• Monitor network traffic for suspicious activity related to the affected device.
• Verify device inventory and patch management to address this high-risk vulnerability.
• Review compensating controls for exposed systems while remediation is scheduled and verified.
• Check relevant monitoring, detection, and logs for exposed assets that need extra review.
• Track exceptions, retest remediated assets, and close the item only after evidence is documented.

Evidence notes

The CVE record and source item provide details on the vulnerability, including its existence in version 16.03.60.62 of the Tenda BE3L Pro. However, specific details on exploitation or affected systems are limited.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.