Stack-Based Buffer Overflow in Linksys Wireless Extenders
CVE-2025-9252

8.7HIGH

Key Information:

Vendor

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

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-9252?

A vulnerability has been identified in several models of Linksys wireless extenders, where the function DisablePasswordAlertRedirect is susceptible to a stack-based buffer overflow. An attacker can exploit this vulnerability remotely by manipulating the argument hint, potentially leading to unauthorized access or control. The exploit code is available publicly, indicating that the systems are at risk if not updated or patched. Despite early disclosure to the vendor, no response was recorded to address this critical security issue.

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-2025-9252 - Proof of Concept

References

https://vuldb.com/?id.320783
vdb-entrytechnical-description
https://vuldb.com/?ctiid.320783
signaturepermissions-required
https://vuldb.com/?submit.631525
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

pjqwudi (VulDB User)
.