CVE-2026-5030
Remote Command Injection in Totolink NR1800X Telnet Service
Publication date: 2026-03-29
Last updated on: 2026-04-29
Assigner: VulDB
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| totolink | nr1800x_firmware | 9.1.0u.6279_b20210910 |
Helpful Resources
Exploitability
| 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-74 | The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability exists in the Totolink NR1800X router, specifically in version 9.1.0u.6279_B20210910. It affects the NTPSyncWithHost function within the Telnet Service component. The issue arises from improper handling of the host_time argument, which allows an attacker to perform command injection. This means that an attacker can remotely execute arbitrary commands on the affected device by manipulating this argument.
How can this vulnerability impact me? :
The vulnerability allows remote attackers to inject and execute arbitrary commands on the affected device. This can lead to unauthorized control over the device, potentially compromising its integrity, availability, and confidentiality. Attackers could disrupt network operations, steal sensitive information, or use the device as a foothold for further attacks within the network.