OS Command Injection Vulnerability in Linksys Routers
CVE-2025-8830

5.3MEDIUM

Key Information:

Vendor

Linksys
Status
Re6250
Re6300
Re6350
Re6500
Vendor
CVE Published:
11 August 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-8830?

An OS command injection vulnerability has been identified in the Linksys RE6250, RE6300, RE6350, RE6500, RE7000, and RE9000 routers up to firmware version 20250801. The vulnerability exists in the function sub_3517C found in the /goform/setWan file, where improper handling of the Hostname argument can be exploited. This flaw allows remote attackers to execute arbitrary operating system commands by crafting malicious input. Despite early notification to Linksys, the company has not responded to the disclosure of this significant security risk.

Affected Version(s)

RE6250 20250801

RE6300 20250801

RE6350 20250801

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-2025-8830 - Proof of Concept

References

https://vuldb.com/?id.319364
vdb-entrytechnical-description
https://vuldb.com/?ctiid.319364
signaturepermissions-required
https://vuldb.com/?submit.626695
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

pjq123 (VulDB User)
.