Stack-Based Buffer Overflow in Linksys RE Series Routers
CVE-2025-14133

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-2025-14133?

A vulnerability exists in several Linksys RE series routers, specifically in the AP_get_wireless_clientlist_setClientsName function of mod_form.so. This issue arises due to improper handling of the clientsname_0 argument, leading to a stack-based buffer overflow. Attackers may exploit this flaw remotely, potentially allowing unauthorized access and control over affected devices. The vendor has been notified but has not provided a response regarding 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-2025-14133 - Proof of Concept

References

https://vuldb.com/?id.334522
vdb-entrytechnical-description
https://vuldb.com/?ctiid.334522
signaturepermissions-required
https://vuldb.com/?submit.697980
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-2025-14133 : Stack-Based Buffer Overflow in Linksys RE Series Routers