CVE-2026-51761

MEDIUM 5.3

CVSS Score

5.3

EPSS Score

0.0%

EPSS Percentile

0th

Incorrect access control in the updateLanIp function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to refresh the LAN address state via sending a crafted MQTT message to the cs_broker component.

Vendor	n/a
Product	n/a
Published	Sep 1, 2026
Last Updated	Sep 1, 2026

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Affected Versions

n/a / n/a

n/a

References

NVD ↗ CVE.org ↗ EPSS Data ↗

totolink.net: https://www.totolink.net/home/menu/detail/menu_listtpl/download/id/190/ids/36.html totolink.net: https://www.totolink.net/ github.com: https://github.com/DarkBoulder/CVE-Vendor-Coordination/blob/main/TOTOLINK/README.md github.com: https://github.com/ShengWu00/CVE-Vendor-Coordination/blob/main/TOTOLINK/README.md