Vulnerability Monitor

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CVE-2025-7913

A vulnerability, which was classified as critical, was found in TOTOLINK T6 4.1.5cu.748_B20211015. Affected is the function updateWifiInfo of the component MQTT Service. The manipulation of the argument serverIp leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.

Published

2025-07-21T00:15:23.793

Last Modified

2025-07-23T16:15:26.443

Status

Analyzed

Source

[email protected]

Severity

CVSSv3.1: 8.8 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:S/C:C/I:C/A:C

Access Vector: NETWORK
Access Complexity: LOW
Authentication: SINGLE
Confidentiality Impact: COMPLETE
Integrity Impact: COMPLETE
Availability Impact: COMPLETE

Exploitability Score

8.0

Impact Score

10.0

Weaknesses

Type: Primary
CWE-119
CWE-120

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	totolink	t6_firmware	v4.1.5cu.748_b20211015	Yes
Hardware	totolink	t6	3	No

References

https://github.com/AnduinBrian/Public/blob/main/Totolink%20T6/Vuln/7.md Exploit, Third Party Advisory ([email protected])
https://github.com/AnduinBrian/Public/blob/main/Totolink%20T6/Vuln/7.md#poc Exploit, Third Party Advisory ([email protected])
https://vuldb.com/?ctiid.317028 Permissions Required ([email protected])
https://vuldb.com/?id.317028 Third Party Advisory, VDB Entry ([email protected])
https://vuldb.com/?submit.618656 Third Party Advisory, VDB Entry ([email protected])
https://www.totolink.net/ Product ([email protected])