Stack-Based Buffer Overflow in Linksys Wireless Routers
CVE-2025-14134

8.7HIGH

Key Information:

Vendor

Linksys
Status
Re6500
Re6250
Re6300
Re6350
Vendor
CVE Published:
6 December 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-14134?

A stack-based buffer overflow vulnerability has been identified in multiple Linksys wireless router models, including RE6500, RE6250, RE6300, RE6350, RE7000, and RE9000. The issue lies in the RE2000v2Repeater_get_wireless_clientlist_setClientsName function within the mod_form.so file. Misuse of the 'clientsname_0' argument allows remote attackers to exploit this weakness, potentially executing unauthorized commands. Despite disclosure efforts, the vendor has not responded to address the security concerns related to this vulnerability.

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-2025-14134 - Proof of Concept

References

https://vuldb.com/?id.334523
vdb-entrytechnical-description
https://vuldb.com/?ctiid.334523
signaturepermissions-required
https://vuldb.com/?submit.697981
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)
JSON
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CVE-2025-14134 : Stack-Based Buffer Overflow in Linksys Wireless Routers