OS Command Injection Vulnerability in Linksys Routers
CVE-2025-9575

5.3MEDIUM

Key Information:

Vendor

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

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-9575?

A vulnerability exists in Linksys routers including models RE6250, RE6300, RE6350, RE6500, RE7000, and RE9000, where improper handling of user input in the 'cgiMain' function of '/cgi-bin/upload.cgi' allows for OS command injection. An attacker can exploit this vulnerability remotely by manipulating the 'filename' argument, potentially leading to unauthorized command execution on the affected device. The vulnerability has been publicly disclosed, emphasizing the need for users to apply any available patches or mitigations to safeguard their systems.

Affected Version(s)

RE6250 1.0.013.001

RE6250 1.0.04.001

RE6250 1.0.04.002

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-2025-9575 - Proof of Concept

References

https://vuldb.com/?id.321689
vdb-entrytechnical-description
https://vuldb.com/?ctiid.321689
signaturepermissions-required
https://vuldb.com/?submit.634840
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

Bond_yes (VulDB User)
.
CVE-2025-9575 : OS Command Injection Vulnerability in Linksys Routers