NETGEAR ProSAFE Network Management System saveNodeLabel Cross-Site Scripting Privilege Escalation Vulnerability. This vulnerability allows remote attackers to escalate privileges on affected installations of NETGEAR ProSAFE Network Management System. Minimal user interaction is required to exploit this vulnerability. The specific flaw exists within the saveNodeLabel method. The issue results from the lack of proper validation of user-supplied data, which can lead to the injection of an arbitrary script. An attacker can leverage this vulnerability to escalate privileges to resources normally protected from the user. Was ZDI-CAN-21838.
Conclusion & alert: CVE-2023-50231 is rated High Risk (77.1/100): CVSS Critical severity, with high exploitation likelihood (EPSS 26.27%, 96th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +12.15% over the last day, indicating growing attacker interest. Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-02-07 | 14.12% | 26.27% | +12.15% |
| 2 | 2025-11-21 | 0.75% | 14.12% | +13.37% |
| 3 | 2025-11-18 | — | 0.75% | — |
Full EPSS history (12 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.6 | 3.1 | CRITICAL |
|
2.8 | 6.0 | [email protected] |
| 8.0 | 3.0 | HIGH |
|
2.1 | 5.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| netgear | prosafe_network_management_system | < 1.7.0.31 | cpe:2.3:a:netgear:prosafe_network_management_system:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://kb.netgear.com/000065901/Security-Advisory-for-Stored-Cross-Site-Scripting-on-the-NMS300-PSV-2023-0106 | Vendor Advisory |
| https://www.zerodayinitiative.com/advisories/ZDI-23-1847/ | Third Party Advisory |