High severity · published Jun 16, 2025
CVE-2025-6138
TOTOLINK T10 HTTP POST Request cstecgi.cgi setWizardCfg buffer overflow
8.8
CVSS
1%
EPSS
No
On KEV
Description
A vulnerability classified as critical was found in TOTOLINK T10 4.1.8cu.5207. Affected by this vulnerability is the function setWizardCfg of the file /cgi-bin/cstecgi.cgi of the component HTTP POST Request Handler. The manipulation of the argument ssid5g leads to buffer overflow. The attack can be launched 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)1.0% · higher than 62% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
T1
T10 · TOTOLINK
4.1.8cu.5207 · source: vendor
TF
T10 Firmware · Totolink
4.1.8cu.5207 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-6138
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-6138
Exploit
https://candle-throne-f75.notion.site/TOTOLINK-T10-setWizardCfg-20ddf0aa1185808892f1dbbf63e6a153?pvs=73
Permissions Required
https://vuldb.com/?ctiid.312607
Third Party Advisory
https://vuldb.com/?id.312607
Third Party Advisory
https://vuldb.com/?submit.592917
Product
https://www.totolink.net/
Exploit
https://candle-throne-f75.notion.site/TOTOLINK-T10-setWizardCfg-20ddf0aa1185808892f1dbbf63e6a153
More from T10
9.8
CVE-2025-9533
TOTOLINK T10 formLoginAuth.htm improper authentication
9.8
CVE-2025-4496
TOTOLINK T10/A3100R/A950RG/A800R/N600R/A3000RU/A810R cstecgi.cgi CloudACMunualUpdate buffer overflow
8.8
CVE-2025-6137
TOTOLINK T10 HTTP POST Request cstecgi.cgi setWiFiScheduleCfg buffer overflow
8.8
CVE-2025-5905
TOTOLINK T10 POST Request cstecgi.cgi setWiFiRepeaterCfg buffer overflow
8.8
CVE-2025-5904
TOTOLINK T10 POST Request cstecgi.cgi setWiFiMeshName buffer overflow
