CVE-2026-1548
Unknown
Unknown - Not Provided
Remote Command Injection in Totolink A7000R CloudACMunualUpdateUserdata
Publication date: 2026-01-28
Last updated on: 2026-04-29
Assigner: VulDB
Description
Description
A flaw has been found in Totolink A7000R 4.1cu.4154. This impacts the function CloudACMunualUpdateUserdata of the file /cgi-bin/cstecgi.cgi. This manipulation of the argument url causes command injection. The attack can be initiated remotely. The exploit has been published and may be used.
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| totolink | a7000r_firmware | 4.1cu.4154 |
Helpful Resources
Exploitability
CWE
KEV
| 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 is a command injection flaw in the Totolink A7000R router firmware version 4.1cu.4154. It affects the CloudACMunualUpdateUserdata function in the /cgi-bin/cstecgi.cgi file. By manipulating the 'url' argument, an attacker can inject and execute arbitrary commands remotely on the device.
How can this vulnerability impact me? :
The vulnerability allows remote attackers to execute arbitrary commands on the affected device, potentially leading to unauthorized control, data compromise, or disruption of the device's normal operation.
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