// For flags

CVE-2025-6138

TOTOLINK T10 HTTP POST Request cstecgi.cgi setWizardCfg buffer overflow

Severity Score

7.4
*CVSS v4

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Attend
*SSVC
Descriptions

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.

Se encontró una vulnerabilidad clasificada como crítica en TOTOLINK T10 4.1.8cu.5207. Esta vulnerabilidad afecta la función setWizardCfg del archivo /cgi-bin/cstecgi.cgi del componente HTTP POST Request Handler. La manipulación del argumento ssid5g provoca un desbordamiento del búfer. El ataque puede ejecutarse en remoto. Se ha hecho público el exploit y puede que sea utilizado.

In TOTOLINK T10 4.1.8cu.5207 wurde eine kritische Schwachstelle entdeckt. Betroffen ist die Funktion setWizardCfg der Datei /cgi-bin/cstecgi.cgi der Komponente HTTP POST Request Handler. Durch das Beeinflussen des Arguments ssid5g mit unbekannten Daten kann eine buffer overflow-Schwachstelle ausgenutzt werden. Der Angriff kann über das Netzwerk passieren. Der Exploit steht zur öffentlichen Verfügung.

*Credits: ysnlrh
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
Low
User Interaction
None
System
Vulnerable | Subsequent
Confidentiality
High
None
Integrity
High
None
Availability
High
None
Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
Low
User Interaction
None
System
Vulnerable | Subsequent
Confidentiality
High
None
Integrity
High
None
Availability
High
None
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
* Common Vulnerability Scoring System
SSVC
  • Decision:Attend
Exploitation
Poc
Automatable
No
Tech. Impact
Total
* Organization's Worst-case Scenario
Timeline
  • 2025-06-15 CVE Reserved
  • 2025-06-16 CVE Published
  • 2025-06-17 CVE Updated
  • 2025-06-17 First Exploit
  • 2025-07-18 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
  • CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
TOTOLINK
Search vendor "TOTOLINK"
 T10
Search vendor "TOTOLINK" for product "T10"
 4.1.8.5207
Search vendor "TOTOLINK" for product "T10" and version "4.1.8.5207"
en
Affected