CVE-2026-10138

Deferred Deferred - Pending Action

Authenticated OS Command Injection in TOTOLINK X2000R Router

Publication date: 2026-10-20

Last updated on: 2026-10-23

Assigner: Talos

Description

A OS command injection vulnerability exists in the boa formUpload() functionality of X2000R (version(s): TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327). A specially crafted HTTP request can lead to arbitrary code execution. An attacker can make an authenticated HTTP request to trigger this vulnerability.

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Meta Information

Published

2026-10-20

Last Modified

2026-10-23

Generated

2026-11-10

AI Q&A

2026-10-21

EPSS Evaluated

2026-11-08

NVD

CVE-2026-10138

Affected Vendors & Products

Vendor	Product	Version / Range
totolink	Totolink	TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
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

Executive Summary

This is an OS command injection vulnerability in the boa formUpload() function of TOTOLINK X2000R firmware version TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327. It allows an attacker to execute arbitrary commands on the device by sending a specially crafted HTTP request. The attack requires authentication.

Detection Guidance

To detect this vulnerability, monitor network traffic for unusual HTTP requests targeting the formUpload() functionality of TOTOLINK-X2000R devices. Check for authenticated HTTP requests with crafted payloads attempting OS command injection. Inspect logs for suspicious activity on port 80 or 443.

Impact Analysis

An attacker could gain control of your TOTOLINK X2000R device, potentially leading to network compromise, data theft, or further attacks on connected systems. Since it requires authentication, attackers would need valid credentials to exploit it.

Compliance Impact

This vulnerability allows arbitrary code execution via authenticated HTTP requests, which could lead to unauthorized access or data breaches. Such breaches may violate GDPR (data protection) and HIPAA (health data privacy) by exposing sensitive information. Compliance risks include potential fines, legal liabilities, and reputational damage due to inadequate security controls.

Mitigation Strategies

Immediately update the TOTOLINK-X2000R firmware to the latest patched version. If no patch is available, restrict access to the device's web interface via network segmentation or firewall rules. Disable unnecessary services and monitor for unauthorized access attempts.

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