Buffer Overflow Vulnerability in D-Link DI-8100 Router
CVE-2025-5228

8.7HIGH

Key Information:

Vendor

D-link
Status
Di-8100
Vendor
CVE Published:
27 May 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-5228?

The D-Link DI-8100 router, up to version 20250523, contains a stack-based buffer overflow vulnerability in its jhttpd component. The issue arises when the 'notify' argument in the /login.cgi function is manipulated, potentially allowing unauthorized access to the device. While the exploit must originate from within the local network, the publicly disclosed nature of the vulnerability raises significant security concerns, emphasizing the need for users to update their devices promptly.

Affected Version(s)

DI-8100 20250523

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-2025-5228 - Proof of Concept

References

https://vuldb.com/?id.310326
vdb-entrytechnical-description
https://vuldb.com/?ctiid.310326
signaturepermissions-required
https://vuldb.com/?submit.583430
third-party-advisory

CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Adjacent 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

xubeining (VulDB User)
.
CVE-2025-5228 : Buffer Overflow Vulnerability in D-Link DI-8100 Router