CVE-2026-51748: n/a
Description
Incorrect access control in the sendStaticInfoToMaster function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to update stored slave inventory records via sending a crafted MQTT message to the cs_broker component.
CVSS v3.1
Score 5.9medium
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves incorrect access control in the sendStaticInfoToMaster function of TOTOLINK T6 4.1.5cu.748_B20211015. An unauthenticated attacker can exploit this flaw by sending a specially crafted MQTT message to the cs_broker component, enabling unauthorized updates to stored slave inventory records. The CVSS vector indicates network attack vector with high attack complexity and no privileges or user interaction required. Confidentiality impact is high, while integrity and availability impacts are none.
Potential Impact
The vulnerability allows an unauthenticated remote attacker to update stored slave inventory records, potentially leading to unauthorized disclosure of sensitive information. There is no direct impact on system integrity or availability according to the CVSS vector. This could affect the confidentiality of data managed by the device.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or temporary mitigation has been published. Users should monitor vendor communications for updates and consider restricting MQTT message sources if possible to reduce exposure.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mitre
- Date Reserved
- 2026-06-08T00:00:00.000Z
- State
- PUBLISHED
Threat ID: 6a96d529acd9273b49c2e088
Added to database: 09/01/2026, 13:37:45 UTC
Last enriched: 09/07/2026, 14:24:25 UTC
Last updated: 10/16/2026, 18:48:21 UTC
Views: 91
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