The web management interface on the Cisco RVS4000 Gigabit Security Router with software 1.x before 1.3.3.4 and 2.x before 2.0.2.7, and the WRVS4400N Gigabit Security Router with software before 2.0.2.1, allows remote attackers to read the backup configuration file, and consequently execute arbitrary code, via unspecified vectors, aka Bug ID CSCtn23871.
Conclusion & alert: CVE-2011-1645 is rated High Risk (69.5/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 3.40%). Core evidence: EPSS rose +1.75% 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 | 2026-06-15 | 1.65% | 3.40% | +1.75% |
| 2 | 2025-07-05 | 2.14% | 1.65% | -0.49% |
| 3 | 2025-03-30 | — | 2.14% | — |
Full EPSS history (12 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.3 | 2.0 | HIGH |
|
8.6 | 10.0 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| cisco | rvs4000 | 1 | cpe:2.3:h:cisco:rvs4000:1:*:*:*:*:*:*:* |
| cisco | rvs4000 | 2 | cpe:2.3:h:cisco:rvs4000:2:*:*:*:*:*:*:* |
| cisco | rvs4000_software | 1.3.0.5 | cpe:2.3:a:cisco:rvs4000_software:1.3.0.5:*:*:*:*:*:*:* |
| cisco | rvs4000_software | 1.3.1.0 | cpe:2.3:a:cisco:rvs4000_software:1.3.1.0:*:*:*:*:*:*:* |
| cisco | rvs4000_software | 1.3.2.0 | cpe:2.3:a:cisco:rvs4000_software:1.3.2.0:*:*:*:*:*:*:* |
| cisco | rvs4000_software | 2.0.0.3 | cpe:2.3:a:cisco:rvs4000_software:2.0.0.3:*:*:*:*:*:*:* |
| cisco | wrvs4400n | 1.0 | cpe:2.3:h:cisco:wrvs4400n:1.0:*:*:*:*:*:*:* |
| cisco | wrvs4400n | 1.1 | cpe:2.3:h:cisco:wrvs4400n:1.1:*:*:*:*:*:*:* |
| cisco | wrvs4400n | 2 | cpe:2.3:h:cisco:wrvs4400n:2:*:*:*:*:*:*:* |
| cisco | wrvs4400n_software | 1.3.0.5 | cpe:2.3:a:cisco:wrvs4400n_software:1.3.0.5:*:*:*:*:*:*:* |
| cisco | wrvs4400n_software | 1.3.1.0 | cpe:2.3:a:cisco:wrvs4400n_software:1.3.1.0:*:*:*:*:*:*:* |
| cisco | wrvs4400n_software | 1.3.2.0 | cpe:2.3:a:cisco:wrvs4400n_software:1.3.2.0:*:*:*:*:*:*:* |
| cisco | wrvs4400n_software | 2.0.0.3 | cpe:2.3:a:cisco:wrvs4400n_software:2.0.0.3:*:*:*:*:*:*:* |