Stack-based Buffer Overflow in Linksys Network Devices
CVE-2025-14136

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-2025-14136?

A security vulnerability has been identified in the Linksys RE6500, RE6250, RE6300, RE6350, RE7000, and RE9000 models. Specifically, the flaw is located in the mod_form.so file within the RE2000v2Repeater_get_wired_clientlist_setClientsName function. By manipulating the clientsname_0 argument, an attacker can exploit a stack-based buffer overflow, potentially leading to unauthorized access or control of the affected devices. This vulnerability is particularly concerning due to its remote exploitability, which poses heightened risks for users. The vendor has been notified but has not issued a response regarding this serious 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-2025-14136 - Proof of Concept

References

https://vuldb.com/?id.334525
vdb-entrytechnical-description
https://vuldb.com/?ctiid.334525
signaturepermissions-required
https://vuldb.com/?submit.697983
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-2025-14136 : Stack-based Buffer Overflow in Linksys Network Devices