The CGI endpoints v2x00.cgi and cgiwcg.cgi of DrayTek Vigor3910 devices through 4.3.2.6 are vulnerable to buffer overflows, by authenticated users, because of missing bounds checking on parameters passed through POST requests to the strncpy function.
Conclusion & alert: CVE-2024-41588 is rated Low Risk (37.6/100): CVSS High severity, with low exploitation likelihood (EPSS 0.05%). 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 | 2025-04-29 | 0.04% | 0.05% | +0.01% |
| 2 | 2025-04-15 | 0.06% | 0.04% | -0.02% |
| 3 | 2025-03-30 | — | 0.06% | — |
Full EPSS history (6 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 8.0 | 3.1 | HIGH |
|
2.1 | 5.9 | 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 | vigor3912_firmware | < 4.3.6.1 | cpe:2.3:o:draytek:vigor3912_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 | 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 |