D-Link DIR-820L 1.05B03 has a stack overflow vulnerability in the cancelPing function.
Conclusion & alert: CVE-2023-44807 is rated High Exploit Risk (80/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 3.25%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
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 | 2025-11-21 | 7.82% | 3.25% | -4.57% |
| 2 | 2025-11-18 | 3.25% | 7.82% | +4.57% |
| 3 | 2025-05-13 | — | 3.25% | — |
Full EPSS history (12 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.8 | 3.1 | CRITICAL |
|
3.9 | 5.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| dlink | dir-820l_firmware | 1.05b03 | cpe:2.3:o:dlink:dir-820l_firmware:1.05b03:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://github.com/Archerber/bug_submit/blob/main/D-Link/DIR-820l/bug2.md | Exploit Third Party Advisory |
| https://www.dlink.com/en/security-bulletin/ | Vendor Advisory |