An issue in DrayTek Vigor310 devices through 4.3.2.6 allows an attacker to obtain sensitive information because the httpd server of the Vigor management UI uses a static string for seeding the PRNG of OpenSSL.
Conclusion & alert: CVE-2024-41594 is rated Low Risk (36.5/100): CVSS High severity, with low exploitation likelihood (EPSS 0.27%). 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 | 2026-06-15 | 0.06% | 0.27% | +0.21% |
| 2 | 2025-06-19 | 0.04% | 0.06% | +0.01% |
| 3 | 2025-03-17 | — | 0.04% | — |
Full EPSS history (5 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 3.1 | HIGH |
|
3.9 | 3.6 | [email protected] |
| 7.5 | 3.1 | HIGH |
|
3.9 | 3.6 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| draytek | vigor2620_firmware | — | cpe:2.3:o:draytek:vigor2620_firmware:*:*:*:*:*:*:*:* |
| draytek | vigor2915_firmware | < 4.4.5.3 | cpe:2.3:o:draytek:vigor2915_firmware:*:*:*:*:*:*:*:* |
| draytek | vigor2866_firmware | < 4.4.5.2 | cpe:2.3:o:draytek:vigor2866_firmware:*:*:*:*:*:*:*:* |
| draytek | vigor2766_firmware | < 4.4.5.3 | cpe:2.3:o:draytek:vigor2766_firmware:*:*:*:*:*:*:*:* |
| draytek | vigor2865_firmware | < 4.4.5.2 | cpe:2.3:o:draytek:vigor2865_firmware:*:*:*:*:*:*:*:* |
| draytek | vigor2765_firmware | < 4.4.5.3 | cpe:2.3:o:draytek:vigor2765_firmware:*:*:*:*:*:*:*:* |
| draytek | vigor2763_firmware | < 4.4.5.3 | cpe:2.3:o:draytek:vigor2763_firmware:*:*:*:*:*:*:*:* |
| draytek | vigor2135_firmware | < 4.4.5.3 | cpe:2.3:o:draytek:vigor2135_firmware:*:*:*:*:*:*:*:* |
| draytek | vigor166_firmware | < 4.2.7 | cpe:2.3:o:draytek:vigor166_firmware:*:*:*:*:*:*:*:* |
| draytek | vigor1000b_firmware | < 4.3.2.8 | cpe:2.3:o:draytek:vigor1000b_firmware:*:*:*:*:*:*:*:* |
| draytek | vigor1000b_firmware | >= 4.4.0.0, < 4.4.3.1 | cpe:2.3:o:draytek:vigor1000b_firmware:*:*:*:*:*:*:*:* |
| draytek | vigor165_firmware | < 4.2.7 | cpe:2.3:o:draytek:vigor165_firmware:*:*:*:*:*:*:*:* |
| draytek | vigor3910_firmware | < 4.3.2.8 | cpe:2.3:o:draytek:vigor3910_firmware:*:*:*:*:*:*:*:* |
| draytek | vigor3910_firmware | >= 4.4.0.0, < 4.4.3.1 | cpe:2.3:o:draytek:vigor3910_firmware:*:*:*:*:*:*:*:* |
| draytek | vigor2962_firmware | < 4.3.2.8 | cpe:2.3:o:draytek:vigor2962_firmware:*:*:*:*:*:*:*:* |
| draytek | vigor2962_firmware | >= 4.4.0.0, < 4.4.3.1 | cpe:2.3:o:draytek:vigor2962_firmware:*:*:*:*:*:*:*:* |
| draytek | vigor3912_firmware | < 4.3.6.1 | cpe:2.3:o:draytek:vigor3912_firmware:*:*:*:*:*:*:*:* |
| draytek | vigorlte200_firmware | — | cpe:2.3:o:draytek:vigorlte200_firmware:*:*:*:*:*:*:*:* |
| draytek | vigor2133_firmware | — | cpe:2.3:o:draytek:vigor2133_firmware:*:*:*:*:*:*:*:* |
| draytek | vigor2762_firmware | — | cpe:2.3:o:draytek:vigor2762_firmware:*:*:*:*:*:*:*:* |
| draytek | vigor2832_firmware | — | cpe:2.3:o:draytek:vigor2832_firmware:*:*:*:*:*:*:*:* |
| draytek | vigor2860_firmware | — | cpe:2.3:o:draytek:vigor2860_firmware:*:*:*:*:*:*:*:* |
| draytek | vigor2862_firmware | — | cpe:2.3:o:draytek:vigor2862_firmware:*:*:*:*:*:*:*:* |
| draytek | vigor2925_firmware | — | cpe:2.3:o:draytek:vigor2925_firmware:*:*:*:*:*:*:*:* |
| draytek | vigor2926_firmware | — | cpe:2.3:o:draytek:vigor2926_firmware:*:*:*:*:*:*:*:* |
| draytek | vigor2952_firmware | — | cpe:2.3:o:draytek:vigor2952_firmware:*:*:*:*:*:*:*:* |
| draytek | vigor3220_firmware | — | cpe:2.3:o:draytek:vigor3220_firmware:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://www.forescout.com/resources/draybreak-draytek-research/ | Mitigation Technical Description Third Party Advisory |
| https://www.forescout.com/resources/draytek14-vulnerabilities | Broken Link |