OS Command Injection Vulnerability in Tenda AC6 Router
CVE-2026-8263

5.1MEDIUM

Key Information:

Vendor

Tenda
Status
Ac6
Vendor
CVE Published:
11 May 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-8263?

A security flaw exists in the Tenda AC6 router's firmware version 15.03.06.49_multi_TDE01, specifically in the functionality associated with the fromSetWirelessRepeat function. This vulnerability allows for OS command injection through manipulation of the mac/ssid parameters within the /goform/WifiExtraSet component of the httpd service. As a result, attackers can execute arbitrary commands on the router remotely, posing significant risks to network security. The exploit has been publicly disclosed, escalating the urgency for users to implement security measures.

Affected Version(s)

AC6 15.03.06.49_multi_TDE01

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-2026-8263 - Proof of Concept

References

https://vuldb.com/vuln/362560
vdb-entrytechnical-description
https://vuldb.com/vuln/362560/cti
signaturepermissions-required
https://vuldb.com/submit/810074
third-party-advisory

CVSS V4

Score:
5.1
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
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

ST4R (VulDB User)
.