CVE-2026-1327
BaseFortify
Publication date: 2026-01-22
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 |
| totolink | nr1800x | * |
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
How can this vulnerability be detected on my network or system? Can you suggest some commands?
This vulnerability can be detected by monitoring and testing the POST requests sent to the endpoint /cgi-bin/cstecgi.cgi, specifically targeting the setTracerouteCfg function with the "command" parameter. You can attempt to send crafted POST requests with injected commands in the "command" parameter to see if the device executes them, indicating the presence of the vulnerability. For example, using curl to send a POST request with a command injection payload: curl -X POST http://<target-ip>/cgi-bin/cstecgi.cgi -d 'setTracerouteCfg=1&command=;id' If the response or device behavior indicates execution of the injected command (like returning user id info), the device is vulnerable. Network monitoring tools can also be used to detect unusual command injection attempts targeting this endpoint. Note that no specific detection commands are provided in the resources, but this approach aligns with the vulnerability details. [1, 2]
Can you explain this vulnerability to me?
This vulnerability is a command injection flaw in the Totolink NR1800X router firmware version 9.1.0u.6279_B20210910. It occurs in the setTracerouteCfg function within the /cgi-bin/cstecgi.cgi file, where the 'command' parameter from a POST request is not properly sanitized before being used in system commands. This allows a remote attacker to inject and execute arbitrary commands on the device. [1, 2]
How can this vulnerability impact me? :
The vulnerability allows remote attackers to execute arbitrary commands on the affected device, which can compromise the device's confidentiality, integrity, and availability. This means attackers could potentially take control of the router, disrupt network services, steal sensitive information, or use the device as a foothold for further attacks. [1]
What immediate steps should I take to mitigate this vulnerability?
No known countermeasures or mitigations have been identified for this vulnerability. It is suggested to replace the affected product as a precautionary measure. [1]