CVE-2026-8265 — Tenda AC6 Command Injection

title: CVE-2026-8265: Tenda AC6 get_log_file Command Injection
id: scw-2026-05-11-ai-1
status: experimental
level: critical
description: |
  Detects the specific command injection vulnerability in Tenda AC6 devices via the get_log_file function. The 'wans.flag' parameter in the '/goform/getLogFile' endpoint is manipulated to inject OS commands, allowing remote attackers to execute arbitrary code. This rule specifically targets the vulnerable URI path and parameter to identify exploitation attempts.
author: SCW Feed Engine (AI-generated)
date: 2026-05-11
references:
  - https://shimiscyberworld.com/posts/nvd-CVE-2026-8265/
tags:
  - attack.initial_access
  - attack.t1190
logsource:
    category: webserver
detection:
  selection:
      cs-uri: 
          - '/goform/getLogFile'
      cs-uri-query|contains:
          - 'wans.flag='
      cs-method: 
          - 'POST'
  condition: selection
falsepositives:
  - Legitimate administrative activity

Source: Shimi's Cyber World · License & reuse