CVE-2026-78239: CWE-306 in Xiiaozet Xiiaozet LK100W
Description
CVE-2026-78239 is a critical vulnerability in the Xiiaozet LK100W device where a management function can be accessed remotely without authentication. This flaw allows an attacker to enable administrative services that should be restricted, potentially leading to unauthorized device access. The vulnerability has a CVSS score of 9.8, indicating a high severity with full confidentiality, integrity, and availability impact. No patch or official remediation guidance has been provided yet.
CVSS v3.1
Score 9.8critical
Affected software
Xiiaozet
Xiiaozet LK100W
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The Xiiaozet LK100W device contains a critical security flaw (CWE-306) where a management function is exposed and can be invoked without requiring authentication. This vulnerability allows remote attackers to enable administrative services that are intended to be restricted, thereby potentially gaining unauthorized access to the device. The vulnerability is rated with a CVSS 3.1 score of 9.8, reflecting network attack vector, low attack complexity, no privileges or user interaction required, and high impact on confidentiality, integrity, and availability. There is currently no known patch or vendor remediation level specified.
Potential Impact
Successful exploitation of this vulnerability can lead to unauthorized administrative access to the Xiiaozet LK100W device, compromising confidentiality, integrity, and availability of the device and its services. This could allow attackers to control or disrupt device operations.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict network access to the device management interfaces and monitor for unauthorized access attempts.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- icscert
- Date Reserved
- 2026-08-25T15:37:54.548Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a916b3dacd9273b49cabe66
Added to database: 08/28/2026, 11:04:29 UTC
Last enriched: 09/08/2026, 08:37:32 UTC
Last updated: 10/12/2026, 18:48:23 UTC
Views: 91
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