VR-S1000 firmware Ver. 2.37 and earlier allows a network-adjacent unauthenticated attacker who can access the product's web management page to obtain sensitive information.
Conclusion & alert: CVE-2023-51363 is rated Low Risk (35.8/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.12%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
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 | 2025-03-30 | 0.31% | 0.12% | -0.19% |
| 2 | 2025-03-29 | 0.05% | 0.31% | +0.26% |
| 3 | 2024-01-04 | — | 0.05% | — |
Full EPSS history (4 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.5 | 3.1 | MEDIUM |
|
2.8 | 3.6 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| buffalo | vr-s1000_firmware | <= 2.37 | cpe:2.3:o:buffalo:vr-s1000_firmware:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://jvn.jp/en/jp/JVN23771490/ | Third Party Advisory |
| https://www.buffalo.jp/news/detail/20231225-01.html | Patch Vendor Advisory |