Incorrect access control in the startSlaveReboot function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to arbitrarily force… (CVE-2026-51611)
Description
An incorrect access control vulnerability exists in the startSlaveReboot function of TOTOLINK T6 firmware version 4.1.5cu.748_B20211015. This flaw allows unauthenticated attackers to force a device reboot by sending a crafted MQTT message. No CVSS score or patch information is currently available.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability in TOTOLINK T6 4.1.5cu.748_B20211015 involves improper access control in the startSlaveReboot function. An attacker without authentication can send a specially crafted MQTT message to trigger an arbitrary reboot of the device. This could lead to denial of service by repeatedly forcing reboots. There is no information on known exploits in the wild or vendor patches at this time.
Potential Impact
An unauthenticated attacker can cause a denial of service condition by forcing the device to reboot arbitrarily. This disrupts normal device operation and availability but does not indicate direct compromise of data or control beyond rebooting.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, consider restricting MQTT message sources to trusted networks or devices to reduce exposure.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-g5j5-f582-85mw
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-51611"]
Threat ID: 6a92f7fbacd9273b49e8adbc
Added to database: 08/29/2026, 15:17:15 UTC
Last enriched: 09/09/2026, 19:23:23 UTC
Last updated: 10/11/2026, 18:48:20 UTC
Views: 23
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