CVE-2026-9475
Deferred Deferred - Pending Action
Command Injection in Totolink A8000RU

Publication date: 2026-05-25

Last updated on: 2026-05-25

Assigner: VulDB

Description
A vulnerability was determined in Totolink A8000RU 7.1cu.643_b20200521. This affects the function setIpQosRules of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. This manipulation of the argument Comment causes os command injection. Remote exploitation of the attack is possible. The exploit has been publicly disclosed and may be utilized.
CVSS Scores
EPSS Scores
Probability:
Percentile:
Meta Information
Published
2026-05-25
Last Modified
2026-05-25
Generated
2026-06-15
AI Q&A
2026-05-26
EPSS Evaluated
2026-06-14
NVD
CVE-2026-9475
EUVD
EUVD-2026-31708
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
totolink a8000ru 7.1cu.643_b20200521
Helpful Resources
Exploitability
CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-77 The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.
CWE-78 The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.
Attack-Flow Graph
AI Quick Actions
Instant insights powered by AI
Executive Summary

This vulnerability exists in the Totolink A8000RU router, specifically in the web management interface component. It affects the function setIpQosRules in the /cgi-bin/cstecgi.cgi file. The issue arises because an argument called Comment can be manipulated to perform an operating system command injection. This means an attacker can remotely execute arbitrary commands on the device without any authentication.

Impact Analysis

The vulnerability allows remote attackers to execute arbitrary OS commands on the affected device without any user interaction or privileges. This can lead to full compromise of the device, including unauthorized access, control over network traffic, data theft, or disruption of network services.

Chat Assistant
Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-9475. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70
EPSS Chart