Stack-Based Buffer Overflow in Linksys Wireless Routers by Linksys
CVE-2025-14135

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-2025-14135?

A stack-based buffer overflow vulnerability exists in multiple models of Linksys wireless routers, specifically affecting the function AP_get_wired_clientlist_setClientsName in mod_form.so. Manipulating the argument clientsname_0 can allow an attacker to execute remote exploits. This vulnerability is particularly concerning as it enables unauthorized access to compromise the router's functionality, leveraging publicly available exploit code. Despite early communication with the vendor regarding this issue, no response or patch has been issued to address the 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-2025-14135 - Proof of Concept

References

https://vuldb.com/?id.334524
vdb-entrytechnical-description
https://vuldb.com/?ctiid.334524
signaturepermissions-required
https://vuldb.com/?submit.697982
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-2025-14135 : Stack-Based Buffer Overflow in Linksys Wireless Routers by Linksys