Command Injection Vulnerability in D-Link DIR-880L Router
CVE-2025-4341

5.3MEDIUM

Key Information:

Vendor
D-link
Status
Dir-880l
Vendor
CVE Published:
6 May 2025

Badges

👾 Exploit Exists🟡 Public PoC

Summary

A command injection vulnerability exists in the D-Link DIR-880L router, specifically within the sub_16570 function of the Request Header Handler. This vulnerability allows an attacker to manipulate HTTP headers such as HTTP_ST, REMOTE_ADDR, REMOTE_PORT, and SERVER_ID, leading to potential unauthorized command execution. The vulnerability can be exploited remotely, and it affects only the D-Link DIR-880L models that are no longer supported by the vendor. Organizations using this model should immediately assess their security posture and consider mitigation strategies to protect against potential exploitation.

Affected Version(s)

DIR-880L 104WWb01

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-2025-4341 - Proof of Concept

References

https://vuldb.com/?id.307459
vdb-entrytechnical-description
https://vuldb.com/?ctiid.307459
signaturepermissions-required
https://vuldb.com/?submit.556433
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
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

BabyShark (VulDB User)
.
CVE-2025-4341 : Command Injection Vulnerability in D-Link DIR-880L Router | SecurityVulnerability.io