Buffer Overflow Vulnerability in D-Link DWR-M920 Gateway
CVE-2025-15189

8.7HIGH

Key Information:

Vendor

D-link

Status
Vendor
CVE Published:
29 December 2025

Badges

๐Ÿ‘พ Exploit Exists๐ŸŸก Public PoC

What is CVE-2025-15189?

A critical vulnerability has been identified in the D-Link DWR-M920 that enables remote attackers to exploit a buffer overflow in the function sub_464794 within the /boafrm/formDefRoute file. By manipulating the 'submit-url' argument, an attacker may execute arbitrary code, leading to unauthorized access and security breaches. With public knowledge of the exploit, it is imperative for users to take preventive measures by updating their devices.

Affected Version(s)

DWR-M920 1.1.0

DWR-M920 1.1.1

DWR-M920 1.1.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

References

CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • ๐ŸŸก

    Public PoC available

  • ๐Ÿ‘พ

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

panda_0x1 (VulDB User)
.
CVE-2025-15189 : Buffer Overflow Vulnerability in D-Link DWR-M920 Gateway