Buffer Overflow Vulnerability in D-Link DWR-M920, DWR-M921, DWR-M960, DIR-822K, and DIR-825M
CVE-2025-13305

8.7HIGH

Key Information:

Vendor

D-link
Status
Dwr-m920
Dwr-m921
Dwr-m960
Dir-822k
Vendor
CVE Published:
17 November 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-13305?

A buffer overflow vulnerability has been discovered in several D-Link routers, specifically affecting the processing of the file 'formTracerouteDiagnosticRun'. By manipulating the 'host' argument, an attacker may exploit this weakness remotely, potentially leading to unauthorized access or execution of malicious code. This issue requires immediate attention as exploits have already been made publicly available.

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Affected Version(s)

DIR-822K 1.01.07

DIR-825M 1.01.07

DWR-M920 1.01.07

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-2025-13305 - Proof of Concept

References

https://vuldb.com/?id.332645
vdb-entrytechnical-description
https://vuldb.com/?ctiid.332645
signaturepermissions-required
https://vuldb.com/?submit.691809
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

LX-LX (VulDB User)
JSON
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