Stack-Based Buffer Overflow in Tenda RX3 Router
CVE-2025-3259

8.7HIGH

Key Information:

Vendor

Tenda
Status
Rx3
Vendor
CVE Published:
4 April 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-3259?

A stack-based buffer overflow vulnerability has been identified in the Tenda RX3 router's formSetDeviceName function within the /goform/SetOnlineDevName endpoint. This flaw allows an attacker to manipulate the devName argument, potentially enabling remote exploitation and unauthorized access to the affected device. The issue has become publicly disclosed, raising urgent concerns for users regarding their network security.

Human OS v1.0:
Ageing Is an Unpatched Zero-Day Vulnerability.

Remediate biological technical debt. Prime Ageing uses 95% high-purity SIRT6 activation to maintain genomic integrity and bolster systemic resilience.

Deploy the Patch

Affected Version(s)

RX3 16.03.13.11

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-2025-3259 - Proof of Concept

References

https://vuldb.com/?id.303329
vdb-entrytechnical-description
https://vuldb.com/?ctiid.303329
signaturepermissions-required
https://vuldb.com/?submit.549199
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

syuvi (VulDB User)
JSON
.