A stack-based buffer overflow vulnerability exists in the boa formFilter functionality of Realtek rtl819x Jungle SDK v3.4.11. A specially crafted series of HTTP requests can lead to arbitrary code execution. An attacker can send a sequence of requests to trigger this vulnerability.
Conclusion & alert: CVE-2023-49073 is rated Moderate Risk (52.1/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.53%). Mandatory action: Review affected assets and schedule 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 | 2025-11-27 | 0.39% | 0.53% | +0.14% |
| 2 | 2025-11-21 | 0.74% | 0.39% | -0.36% |
| 3 | 2025-11-18 | — | 0.74% | — |
Full EPSS history (12 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.2 | 3.1 | HIGH |
|
1.2 | 5.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| realtek | rtl819x_jungle_software_development_kit | 3.4.11 | cpe:2.3:a:realtek:rtl819x_jungle_software_development_kit:3.4.11:*:*:*:*:*:*:* |
| level1 | wbr-6013_firmware | rer4_a_v3411b_2t2r_lev_09_170623 | cpe:2.3:o:level1:wbr-6013_firmware:rer4_a_v3411b_2t2r_lev_09_170623:*:*:*:*:*:*:* |