Buffer Overflow Vulnerability in D-Link DWR-M920 Router
CVE-2025-13553

8.7HIGH

Key Information:

Vendor

D-link
Status
Dwr-m920
Vendor
CVE Published:
23 November 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-13553?

A vulnerability has been discovered in the D-Link DWR-M920 router, specifically in the function sub_41C7FC located in the /boafrm/formPinManageSetup file. This issue arises due to inadequate validation of the submit-url argument, leading to a potential buffer overflow condition. An attacker could exploit this vulnerability remotely, potentially compromising the device's functionality. Publicly available exploits for this issue increase the urgency for users to patch their devices to safeguard against potential attacks.

Affected Version(s)

DWR-M920 1.1.50

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.

CVE-2025-13553 - Proof of Concept

References

https://vuldb.com/?id.333320
vdb-entrytechnical-description
https://vuldb.com/?ctiid.333320
signaturepermissions-required
https://vuldb.com/?submit.695435
third-party-advisory

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

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

LINXI666 (VulDB User)
JSON
.
CVE-2025-13553 : Buffer Overflow Vulnerability in D-Link DWR-M920 Router