Stack-Based Buffer Overflow in D-Link DAP-1620
CVE-2025-2621

9.3CRITICAL

Key Information:

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

Badges

👾 Exploit Exists🟡 Public PoC

Summary

A stack-based buffer overflow vulnerability exists in the D-Link DAP-1620's check_dws_cookie function located in the /storage file. This issue is triggered by improper handling of the uid argument, allowing an attacker to exploit the vulnerability remotely. Once exploited, it could lead to unauthorized access or damaging effects on the device's functionality. Products affected by this vulnerability are no longer actively supported by D-Link, making it imperative for users to take precautionary measures to mitigate potential risks.

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-2025-2621 - Proof of Concept

References

https://vuldb.com/?id.300623
vdb-entrytechnical-description
https://vuldb.com/?ctiid.300623
signaturepermissions-required
https://vuldb.com/?submit.518980
third-party-advisory

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

.