CVE-2026-1971 in BR-6288ACL
Summary
by MITRE • 02/06/2026
A vulnerability has been found in Edimax BR-6288ACL up to 1.12. Impacted is the function wiz_WISP24gmanual of the file wiz_WISP24gmanual.asp. Such manipulation of the argument manualssid leads to cross site scripting. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The vendor confirms that the affected product is end-of-life. They confirm that they "will issue a consolidated Security Advisory on our official support website." This vulnerability only affects products that are no longer supported by the maintainer.
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Analysis
by VulDB Data Team • 02/20/2026
This vulnerability exists in the Edimax BR-6288ACL wireless router firmware version 1.12 and earlier, specifically within the wiz_WISP24gmanual.asp file. The affected function wiz_WISP24gmanual contains a cross-site scripting flaw that occurs when processing the manualssid argument parameter. This represents a classic client-side vulnerability where malicious input can be executed within the context of a user's browser session. The vulnerability is particularly concerning because it affects a web-based administrative interface that is accessible remotely, making it exploitable from any location with network access to the device. The issue stems from inadequate input validation and output encoding within the web application layer of the router's firmware, allowing attackers to inject malicious scripts that can execute in the browser of any user who views the affected page.
The operational impact of this vulnerability is significant given that it allows remote code execution through browser-based attacks without requiring any authentication or local access to the device. An attacker can craft a malicious URL containing script code in the manualssid parameter and deliver it to a victim who is authenticated to the router's web interface. When the victim clicks the malicious link or navigates to the affected page, the script executes in their browser session, potentially leading to session hijacking, data theft, or further exploitation of the network. This vulnerability aligns with CWE-79 (Cross-site Scripting) and follows patterns commonly associated with the attack technique T1059.007 (Scripting) in the MITRE ATT&CK framework, where attackers leverage web-based interfaces to execute malicious code against unsuspecting users.
The security implications extend beyond simple XSS as this vulnerability could enable attackers to perform actions such as stealing administrative session cookies, redirecting users to malicious sites, or injecting malicious content into the router's configuration interface. The fact that the vendor has confirmed the product is end-of-life and will only issue a consolidated security advisory suggests that no official patches or updates will be provided for this device. This leaves users vulnerable to exploitation with no official remediation path available, making the vulnerability particularly dangerous for networks that still rely on unsupported hardware. Organizations should immediately consider decommissioning affected devices and implementing network segmentation to prevent potential exploitation, as the vulnerability has been publicly disclosed and may already be in active use by threat actors. The lack of vendor support for this end-of-life product means that any network relying on these devices faces increased risk of compromise through this and potentially other undiscovered vulnerabilities in the unsupported firmware.