Stack-Based Buffer Overflow in D-Link DAP-1620 Authentication Handler
CVE-2025-2620

9.3CRITICAL

Key Information:

Vendor
D-link
Status
Dap-1620
Vendor
CVE Published:
22 March 2025

Badges

👾 Exploit Exists🟡 Public PoC

Summary

A security flaw has been identified in the D-Link DAP-1620 version 1.03, which affects the mod_graph_auth_uri_handler of the Authentication Handler component. This vulnerability enables attackers to execute a stack-based buffer overflow, allowing for potential remote exploitation. Notably, the issue primarily impacts devices that are no longer supported by D-Link, posing a significant risk to users. It is essential for organizations using this device to take immediate action to mitigate the risk associated with this vulnerability.

Affected Version(s)

DAP-1620 1.03

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-2025-2620 - Proof of Concept

References

https://vuldb.com/?id.300622
vdb-entrytechnical-description
https://vuldb.com/?ctiid.300622
signaturepermissions-required
https://vuldb.com/?submit.518969
third-party-advisory

EPSS Score

9% chance of being exploited in the next 30 days.

CVSS V4

Score:
9.3
Severity:
CRITICAL
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

.