CVE-2025-58836 is a medium-severity vulnerability classified under CWE-79, which pertains to Improper Neutralization of Input During Web Page Generation, commonly known as Cross-site Scripting (XSS). This vulnerability affects the Tikolan FW Anker product up to version 1.2.6. Specifically, it is a Stored XSS vulnerability, meaning that malicious input submitted by an attacker is stored persistently on the server and later rendered in web pages viewed by other users without proper sanitization or encoding. The CVSS 3.1 base score is 6.5, reflecting a network attack vector (AV:N), low attack complexity (AC:L), requiring privileges (PR:L) and user interaction (UI:R), with a scope change (S:C) and low impact on confidentiality, integrity, and availability (C:L/I:L/A:L). The vulnerability allows an attacker with some level of authenticated access to inject malicious scripts that execute in the context of other users' browsers when they access the affected web interface. This can lead to session hijacking, unauthorized actions, or data theft. No known exploits are reported in the wild yet, and no patches have been linked at the time of publication. The vulnerability was publicly disclosed on September 5, 2025.

For European organizations using Tikolan FW Anker, this vulnerability poses a risk primarily to the confidentiality and integrity of user sessions and data accessed via the affected web interface. Since the vulnerability requires some level of authenticated access and user interaction, the risk is somewhat mitigated but still significant in environments where multiple users have access to the management interface or where attackers can trick legitimate users into interacting with malicious payloads. Exploitation could lead to unauthorized command execution within the web application context, potentially enabling attackers to escalate privileges, manipulate configurations, or exfiltrate sensitive information. Given that FW Anker is a firewall product, compromise could undermine network security controls, increasing the risk of lateral movement or data breaches. The scope change in the CVSS vector indicates that the vulnerability could affect components beyond the initially targeted privileges, amplifying the potential impact. European organizations with critical infrastructure or sensitive data protected by FW Anker should consider this vulnerability a moderate threat that requires timely remediation to prevent exploitation.

1. Immediate mitigation should include restricting access to the FW Anker web interface to trusted administrators only, ideally via VPN or secure management networks, to reduce exposure. 2. Implement strict input validation and output encoding on all user-supplied data rendered in the web interface, focusing on HTML, JavaScript, and URL contexts to prevent script injection. 3. Monitor user activity logs for unusual behavior that could indicate attempted exploitation, such as unexpected input patterns or repeated failed access attempts. 4. Educate users with access to the management interface about phishing and social engineering risks, as user interaction is required for exploitation. 5. Apply the vendor's patches or updates as soon as they become available; in the absence of official patches, consider deploying Web Application Firewalls (WAFs) with custom rules to detect and block XSS payloads targeting FW Anker. 6. Conduct regular security assessments and penetration testing focused on the management interface to identify and remediate any additional vulnerabilities. 7. Limit privileges of users accessing the interface to the minimum necessary to reduce the impact of potential exploitation.