// For flags

CVE-2025-3993

TOTOLINK N150RT formWsc buffer overflow

Severity Score

8.7
*CVSS v4

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Attend
*SSVC
Descriptions

A vulnerability was found in TOTOLINK N150RT 3.4.0-B20190525 and classified as critical. This issue affects some unknown processing of the file /boafrm/formWsc. The manipulation of the argument submit-url leads to buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.

Se encontró una vulnerabilidad en TOTOLINK N150RT 3.4.0-B20190525, clasificada como crítica. Este problema afecta a un procesamiento desconocido del archivo /boafrm/formWsc. La manipulación del argumento "submit-url" provoca un desbordamiento del búfer. El ataque puede iniciarse remotamente. Se ha hecho público el exploit y puede que sea utilizado.

Eine kritische Schwachstelle wurde in TOTOLINK N150RT 3.4.0-B20190525 gefunden. Hierbei geht es um eine nicht exakt ausgemachte Funktion der Datei /boafrm/formWsc. Dank Manipulation des Arguments submit-url mit unbekannten Daten kann eine buffer overflow-Schwachstelle ausgenutzt werden. Umgesetzt werden kann der Angriff über das Netzwerk. Der Exploit steht zur öffentlichen Verfügung.

*Credits: lcyf-fizz
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
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
Single
Confidentiality
Complete
Integrity
Complete
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:Attend
Exploitation
Poc
Automatable
No
Tech. Impact
Total
* Organization's Worst-case Scenario
Timeline
  • 2025-04-26 CVE Reserved
  • 2025-04-28 CVE Published
  • 2025-04-28 CVE Updated
  • 2025-04-28 First Exploit
  • 2025-06-09 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"
N150rt
Search vendor "Totolink" for product "N150rt"
*-
Affected