CVE-2025-8834
BaseFortify
Publication date: 2025-08-11
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 |
|---|---|---|
| jcg | link-net_lw-n915r | 17s.20.001.908 |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-79 | The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. |
| CWE-94 | The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
CVE-2025-8834 is a Cross-Site Scripting (XSS) vulnerability in the JCG Link-net LW-N915R router's management interface, specifically on the Wireless Basic Settings page (/wireless/basic.asp). The issue arises from improper handling of the 'Network Name (SSID)' input, allowing an attacker to inject malicious scripts. This can be exploited remotely but requires authentication and some user interaction. [1, 2]
How can this vulnerability impact me? :
This vulnerability can impact you by allowing an attacker to execute arbitrary scripts within the router's management interface context. This could compromise the integrity of the system and potentially affect users accessing the web interface. Exploitation requires authentication and user interaction, but the attack is relatively easy to perform, and exploits are publicly known and available. [1, 2]
How can this vulnerability be detected on my network or system? Can you suggest some commands?
This vulnerability can be detected by checking if the device is running the JCG Link-net LW-N915R router firmware version 17s.20.001.908 and if the /wireless/basic.asp page is accessible. Additionally, vulnerable targets can be identified using Google dorking with queries like "inurl:wireless/basic.asp". There is a publicly known proof-of-concept exploit that can be used to test for the presence of the XSS vulnerability in the Network Name (SSID) input field. Specific commands are not provided, but using web vulnerability scanners targeting the /wireless/basic.asp page or manual testing by injecting XSS payloads such as `<img/src/onerror=prompt(8)>` into the Network Name field can help detect the issue. [1, 2]
What immediate steps should I take to mitigate this vulnerability?
No known countermeasures or mitigations are currently available for this vulnerability. The suggested immediate step is to replace the affected product with an alternative device to avoid exploitation. [2]