Stack-Based Buffer Overflow in Linksys Router Models
CVE-2025-9359

8.7HIGH

Key Information:

Vendor

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

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-9359?

A stack-based buffer overflow has been discovered in various Linksys router models, specifically impacting the RP_checkCredentialsByBBS function in the file /goform/RP_checkCredentialsByBBS. This vulnerability arises from the improper handling of input parameters ssidhex and pwd, allowing attackers to trigger an overflow remotely. With public exploit details available, this vulnerability poses significant risk if left unaddressed.

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-2025-9359 - Proof of Concept

References

https://vuldb.com/?id.321062
vdb-entrytechnical-description
https://vuldb.com/?ctiid.321062
signaturepermissions-required
https://vuldb.com/?submit.631531
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)
.
CVE-2025-9359 : Stack-Based Buffer Overflow in Linksys Router Models