OS Command Injection Vulnerability in Tenda AC6 Router
CVE-2026-8265

5.1MEDIUM

Key Information:

Vendor

Tenda
Status
Ac6
Vendor
CVE Published:
11 May 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-8265?

A security vulnerability has been identified in the Tenda AC6 router firmware version 15.03.06.23, specifically in the get_log_file function of the httpd component. This issue arises from improper handling of the 'wans.flag' argument, which can lead to OS command injection attacks. Malicious actors can exploit this vulnerability remotely, allowing unauthorized execution of system commands, potentially compromising the device's security. This exploit has been publicly disclosed, emphasizing the need for immediate attention and remediation.

Affected Version(s)

AC6 15.03.06.23

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-2026-8265 - Proof of Concept

References

https://vuldb.com/vuln/362562
vdb-entrytechnical-description
https://vuldb.com/vuln/362562/cti
signaturepermissions-required
https://vuldb.com/submit/810076
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)
.