Description
A vulnerability was found in TOTOLINK T6 4.1.5cu.748_B20211015 and classified as critical. Affected by this issue is the function recvSlaveStaInfo of the component MQTT Service. The manipulation of the argument dest leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.
References (6)
Core 6
Core References
Third Party Advisory, VDB Entry vdb-entry
technical-description
https://vuldb.com/?id.316940
Permissions Required signature
permissions-required
https://vuldb.com/?ctiid.316940
Third Party Advisory, VDB Entry third-party-advisory
https://vuldb.com/?submit.617572
Exploit, Third Party Advisory related
https://github.com/AnduinBrian/Public/blob/main/Totolink%20T6/Vuln/4.md
Exploit, Third Party Advisory exploit
https://github.com/AnduinBrian/Public/blob/main/Totolink%20T6/Vuln/4.md#poc
Product product
https://www.totolink.net/
Scores
CVSS v3
8.8
EPSS
0.0033
EPSS Percentile
56.2%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-119
CWE-120
Status
published
Products (1)
totolink/t6_firmware
v4.1.5cu.748_b20211015
Published
Jul 19, 2025
Tracked Since
Feb 18, 2026