High severity · published Jul 22, 2025
CVE-2025-7952
TOTOLINK T6 MQTT Packet wireless.so ckeckKeepAlive command injection
8.8
CVSS
24.5%
EPSS
No
On KEV
Description
A vulnerability classified as critical was found in TOTOLINK T6 4.1.5cu.748. This vulnerability affects the function ckeckKeepAlive of the file wireless.so of the component MQTT Packet Handler. The manipulation leads to command injection. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)24.5% · higher than 98% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
T6
T6 · TOTOLINK
4.1.5cu.748 · source: vendor
TF
T6 Firmware · Totolink
v4.1.5cu.748_b20211015 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-7952
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-7952
Exploit
https://github.com/ElvisBlue/Public/blob/main/Vuln/7.md
Exploit
https://github.com/ElvisBlue/Public/blob/main/Vuln/7.md#poc
Permissions Required
https://vuldb.com/?ctiid.317098
Third Party Advisory
https://vuldb.com/?id.317098
Third Party Advisory
https://vuldb.com/?submit.619319
Product
https://www.totolink.net/
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