VulnerabilityPublished 11 Jan 2026Updated 23 Feb 2026

CVE-2025-15505: Luxul XWR-600 · Cross-site Scripting

Affects Luxul XWR-600Source CVE Database V5

Public exploit available · CVSS 4.8 Medium.

Data as of 26 Oct 2026, 14:05 UTC

CVSS 4.0 base score

4.8Medium

How severe the flaw is on the 0–10 CVSS scale.

EPSS: 0.2% chance of exploitation in 30 days – higher than 15% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P

Base metrics

Attack Vector: Network
Attack Complexity: Low
Attack Requirements: None
Privileges Required: High
User Interaction: Passive
Vulnerable system confidentiality: None
Vulnerable system integrity: Low
Vulnerable system availability: None
Subsequent system confidentiality: None
Subsequent system integrity: None
Subsequent system availability: None

Threat metrics

Exploit Maturity: POC

Bold values are the worst case: easiest to exploit or largest impact.

Attack Vector: Network: The vulnerable system is bound to the network stack and the set of possible attackers extends beyond the other options listed below, up to and including the entire Internet. Such a vulnerability is often termed “remotely exploitable” and can be thought of as an attack being exploitable at the protocol level one or more network hops away (e.g., across one or more routers).
Attack Complexity: Low: The attacker must take no measurable action to exploit the vulnerability. The attack requires no target-specific circumvention to exploit the vulnerability. An attacker can expect repeatable success against the vulnerable system.
Attack Requirements: None: The successful attack does not depend on the deployment and execution conditions of the vulnerable system. The attacker can expect to be able to reach the vulnerability and execute the exploit under all or most instances of the vulnerability.
Privileges Required: High: The attacker requires privileges that provide significant (e.g., administrative) control over the vulnerable system allowing full access to the vulnerable system’s settings and files.
User Interaction: Passive: Successful exploitation of this vulnerability requires limited interaction by the targeted user with the vulnerable system and the attacker’s payload. These interactions would be considered involuntary and do not require that the user actively subvert protections built into the vulnerable system.
Vulnerable system confidentiality: None: There is no loss of confidentiality within the Vulnerable System.
Vulnerable system integrity: Low: Modification of data is possible, but the attacker does not have control over the consequence of a modification, or the amount of modification is limited. The data modification does not have a direct, serious impact to the Vulnerable System.
Vulnerable system availability: None: There is no impact to availability within the Vulnerable System.
Subsequent system confidentiality: None: There is no loss of confidentiality within the Subsequent System or all confidentiality impact is constrained to the Vulnerable System.
Subsequent system integrity: None: There is no loss of integrity within the Subsequent System or all integrity impact is constrained to the Vulnerable System.
Subsequent system availability: None: There is no impact to availability within the Subsequent System or all availability impact is constrained to the Vulnerable System.
Exploit Maturity: POC: Based on threat intelligence sources each of the following must apply: · Proof-of-concept is publicly available · No knowledge of reported attempts to exploit this vulnerability · No knowledge of publicly available solutions used to simplify attempts to exploit the vulnerability

Definitions: FIRST CVSS v4.0 specification.

Exploitation evidence

Disclosed: evidence found.
CVE published 11 Jan 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: evidence found.
CVSS exploit maturity: proof of concept public
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), CVSS vector, the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

Disclosed: The CVE record is public on cve.org. Its publication is t = 0.
Detectable: A public nuclei template can find exposed instances, for defenders and attackers alike.
Weaponised: Public exploit code exists in Metasploit or Exploit-DB, or CISA SSVC or the CVSS exploit maturity reports a public proof of concept.
Exploited in the wild: CISA KEV lists it, CISA SSVC rates exploitation active, or a source reports attacks.
Observed by OffSeq Mirage: OffSeq Mirage honeypot sensors recorded attack traffic for this CVE, or found exposed hosts without attack traffic.

Moments are spaced evenly, not to scale; a dashed line marks a gap of six months or more. Deltas count from t = 0. Sources that give only a date (CISA KEV, Exploit-DB, or a time of exactly 00:00Z) read “same day” rather than hours. Metasploit modules carry the flaw’s disclosure date, not their release date, and nuclei templates carry no date, so both appear above but not on the timeline.

What to do

Affected software

Product	Affected	Fixed in
LuxulXWR-600	Affected =4.0.0 =4.0.1	Fixed in–

AI-suggested

Immediately restrict access to the Luxul XWR-600 Web Administration Interface by limiting management access to trusted internal networks or via VPN.
Enforce strong authentication and use multi-factor authentication if supported to reduce risk from compromised credentials.
Disable or avoid using the Guest Network feature or wireless profiles that allow SSID modification until a patch is available.
Monitor network traffic and router logs for unusual activity or unauthorized configuration changes.
If possible, replace affected devices with alternative hardware from vendors with active security support.
Regularly check Luxul’s official channels for firmware updates or security advisories addressing this vulnerability.
Educate administrators to avoid interacting with suspicious SSID values or links in the router interface.
Employ web application firewalls or intrusion prevention systems to detect and block XSS payloads targeting the router’s management interface. These steps go beyond generic advice by focusing on access control, feature restriction, and proactive monitoring tailored to the specific vulnerability vector.

Description

A vulnerability was found in Luxul XWR-600 up to 4.0.1. The affected element is an unknown function of the component Web Administration Interface. The manipulation of the argument Guest Network/Wireless Profile SSID results in cross site scripting. The attack may be launched remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond with a technical statement.

Impact

The primary impact of CVE-2025-15505 is on the integrity and security of the router's administrative interface. Successful exploitation could allow attackers to execute arbitrary scripts in the context of the router's web interface, potentially leading to session hijacking, unauthorized configuration changes, or phishing attacks against administrators. This could result in network misconfiguration, exposure of sensitive network information, or further compromise of internal network resources. Organizations relying on Luxul XWR-600 devices for wireless connectivity may face increased risk of targeted attacks, especially if administrative access is exposed or weakly protected. The lack of vendor response and patch availability prolongs exposure, increasing the window for attackers to exploit this vulnerability. While no widespread exploitation is currently reported, the public availability of exploit code raises the likelihood of future attacks. This threat is particularly concerning for enterprises and managed service providers using these devices in critical network segments.

Summary

CVE-2025-15505 is a cross-site scripting vulnerability identified in the Luxul XWR-600 wireless router firmware versions 4.0.0 and 4.0.1. The flaw resides in the Web Administration Interface component, where the Guest Network/Wireless Profile SSID parameter is improperly sanitized, allowing injection of malicious scripts. This vulnerability can be exploited remotely without authentication, but requires high privileges and user interaction to trigger the malicious payload. The attack vector involves an attacker crafting a specially formed SSID value that, when viewed by an administrator or user in the router's web interface, executes arbitrary JavaScript code. This can lead to theft of session cookies, unauthorized configuration changes, or redirection to malicious sites. The CVSS 4.0 base score is 4.8 (medium severity), reflecting the ease of remote exploitation but requiring user interaction and high privileges. The vendor has not responded with a patch or detailed technical guidance, and no official fixes are currently available. Public exploit code has been disclosed, increasing the risk of exploitation in targeted environments. The vulnerability does not affect confidentiality or availability directly but poses a risk to integrity and user trust in the management interface.

References

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