OS Command Injection Vulnerability in Linksys Wireless Range Extenders
CVE-2025-8827

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-2025-8827?

A vulnerability exists in several models of Linksys Wireless Range Extenders, allowing an attacker to exploit the um_inspect_cross_band function via an unvalidated argument in the RP_setBasicAuto endpoint. By manipulating the staticGateway variable, an attacker can execute arbitrary operating system commands. This vulnerability can be exploited remotely, posing a significant threat to users who have not patched their devices. Despite early notification, Linksys has not provided a response regarding this issue.

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-2025-8827 - Proof of Concept

References

https://vuldb.com/?id.319361
vdb-entrytechnical-description
https://vuldb.com/?ctiid.319361
signaturepermissions-required
https://vuldb.com/?submit.626692
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)
.