Stack-Based Buffer Overflow in Tenda RX3 Wireless Router
CVE-2026-2180

8.7HIGH

Key Information:

Vendor

Tenda
Status
Rx3
Vendor
CVE Published:
8 February 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-2180?

A vulnerability in Tenda RX3 firmware version 16.03.13.11 has been discovered, leading to a stack-based buffer overflow due to unauthorized manipulation of the ssid_5g parameter in the /goform/fast_setting_wifi_set function. This issue can be exploited remotely, posing a significant risk as the exploit is publicly available. It allows attackers to execute arbitrary code on the device, jeopardizing the security of the network.

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-2026-2180 - Proof of Concept

References

https://vuldb.com/?id.344883
vdb-entrytechnical-description
https://vuldb.com/?ctiid.344883
signaturepermissions-required
https://vuldb.com/?submit.749703
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

LX-66-LX (VulDB User)
.