High severity · published Jul 13, 2025
CVE-2025-7524
TOTOLINK T6 HTTP POST Request cstecgi.cgi setDiagnosisCfg command injection
8.8
CVSS
2.8%
EPSS
No
On KEV
Description
A vulnerability was found in TOTOLINK T6 4.1.5cu.748_B20211015. It has been classified as critical. This affects the function setDiagnosisCfg of the file /cgi-bin/cstecgi.cgi of the component HTTP POST Request Handler. The manipulation of the argument ip leads to command injection. It is possible to initiate the attack 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)2.8% · higher than 87% 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_B20211015 · source: vendor
TF
T6 Firmware · Totolink
v4.1.5cu.748_b20211015 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-7524
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-7524
Exploit
https://github.com/ElvisBlue/Public/blob/main/Vuln/2.md
Exploit
https://github.com/ElvisBlue/Public/blob/main/Vuln/2.md#poc
Permissions Required
https://vuldb.com/?ctiid.316221
Third Party Advisory
https://vuldb.com/?id.316221
Third Party Advisory
https://vuldb.com/?submit.612935
Product
https://www.totolink.net/
More from T6
9.8
CVE-2025-7862
TOTOLINK T6 Telnet Service cstecgi.cgi setTelnetCfg missing authentication
9.8
CVE-2023-7221
Totolink T6 HTTP POST Request main buffer overflow
8.8
CVE-2025-8170
TOTOLINK T6 MQTT Packet meshSlaveDlfw tcpcheck_net buffer overflow
8.8
CVE-2025-7952
TOTOLINK T6 MQTT Packet wireless.so ckeckKeepAlive command injection
8.8
CVE-2025-7913
TOTOLINK T6 MQTT Service updateWifiInfo buffer overflow