Stack-based Buffer Overflow Vulnerability in Linksys Routers
CVE-2025-8832

8.7HIGH

Key Information:

Vendor

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

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-8832?

A stack-based buffer overflow vulnerability has been identified in several Linksys router models including RE6250, RE6300, RE6350, RE6500, RE7000, and RE9000. This security issue arises from improper handling of the DMZIPAddress parameter in the setDMZ function located in the /goform/setDMZ file. An attacker can exploit this vulnerability remotely, posing significant risks if left unaddressed. Despite being alerted about the issue, the vendor has not publicly responded to the disclosure. Users of the affected models are urged to review their security posture and apply necessary mitigations.

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-2025-8832 - Proof of Concept

References

https://vuldb.com/?id.319366
vdb-entrytechnical-description
https://vuldb.com/?ctiid.319366
signaturepermissions-required
https://vuldb.com/?submit.626697
third-party-advisory

CVSS V4

Score:
8.7
Severity:
HIGH
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

Credit

pjq123 (VulDB User)
.