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CVE-2018-25241

HIGH CVSS 4.0: 8.7
Updated Apr 04, 2026
VPN
Parameter Value
CVSS 8.7 (HIGH)
Type CWE-306 (Missing Authentication for Critical Function)
Vendor VPN
Public PoC Yes

VPN Browser+ 1.1.0.0 contains a denial of service vulnerability that allows unauthenticated attackers to crash the application by submitting oversized input through the search functionality. Attackers can paste a large buffer of characters into the search bar to trigger an unhandled exception that terminates the application.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
None
No data leak
Integrity
None
No data modification
Availability
High
Complete denial of service

CVSS Vector v4.0