CVE-2026-5754 Radware CVE debrief

Who should care

Security teams and administrators responsible for Radware Alteon 34.5.4.0 vADC load-balancer should assess the vulnerability and apply necessary patches or mitigations. This includes reviewing system configurations, ensuring proper input validation and output encoding are in place, and monitoring for suspicious activity. Additionally, security teams should verify the affected scope, severity, and vendor guidance to determine the appropriate course of action.

Technical summary

The vulnerability is a Reflected Cross-Site Scripting (XSS) issue in Radware Alteon 34.5.4.0 vADC load-balancer. The CVSS score is 6.1, indicating a medium severity level. The vulnerability allows an attacker to inject malicious scripts into the website, potentially leading to unauthorized actions, data theft, or other malicious activities. This issue arises from inadequate input validation and output encoding, which allows an attacker to inject malicious scripts. Security teams should focus on applying Radware's official patches or updates for Alteon 34.5.4.0 vADC load-balancer and implementing additional security measures.

Defensive priority

Medium priority should be given to patching or mitigating this vulnerability, as it could lead to unauthorized actions or data theft. The vulnerability allows an attacker to inject malicious scripts into the website, potentially leading to unauthorized actions, data theft, or other malicious activities. Defenders should review and apply Radware's official patches or updates for Alteon 34.5.4.0 vADC load-balancer, implement additional security measures, such as input validation and output encoding, to prevent XSS attacks, and monitor systems for suspicious activity and ensure incident response plans are in place. Security teams and administrators responsible for Radware Alteon 34.5.4.0 vADC load-balancer should assess the vulnerability and apply necessary patches or mitigations. The vulnerability has a CVSS score of 6.1, indicating a medium severity level. The CVE record was published on 2026-04-14T18:17:39.487Z and has not been modified since then. This vulnerability affects Radware Alteon 34.5.4.0 vADC load-balancer and allows an attacker to inject malicious scripts into the website, potentially leading to unauthorized actions, data theft, or other malicious activities. Defenders should verify the affected scope, severity, and vendor guidance. The vulnerability is a Reflected Cross-Site Scripting (XSS) issue in Radware Alteon 34.5.4.0 vADC load-balancer. The CVSS score is 6.1, indicating a medium severity level. The vulnerability allows an attacker to inject malicious scripts into the website, potentially leading to unauthorized actions, data theft, or other malicious activities. The CVE record and NVD entry provide limited information about the vulnerability. Further investigation and verification are necessary to fully understand the scope and impact of this vulnerability. Defenders should review compensating controls for exposed systems while remediation is scheduled and verified, check relevant monitoring, detection, and logs for exposed assets that need extra review, and track exceptions, retest remediated assets, and close the item only after evidence is documented. Security teams and administrators responsible for Radware Alteon 34.5.4.0 vADC load-balanc

Recommended defensive actions

• Review and apply Radware's official patches or updates for Alteon 34.5.4.0 vADC load-balancer.
• Implement additional security measures, such as input validation and output encoding, to prevent XSS attacks.
• Monitor systems for suspicious activity and ensure incident response plans are in place.
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up.
• Review compensating controls for exposed systems while remediation is scheduled and verified.
• Check relevant monitoring, detection, and logs for exposed assets that need extra review.
• Track exceptions, retest remediated assets, and close the item only after evidence is documented.

Evidence notes

The CVE record and NVD entry provide limited information about the vulnerability. Further investigation and verification are necessary to fully understand the scope and impact of this vulnerability. The vulnerability affects Radware Alteon 34.5.4.0 vADC load-balancer and allows an attacker to inject malicious scripts into the website, potentially leading to unauthorized actions, data theft, or other malicious activities. Defenders should verify the affected scope, severity, and vendor guidance.

Official resources