The Bluetooth Low Energy implementation on Dialog Semiconductor SDK through 1.0.14.1081 for DA1468x devices responds to link layer packets with a payload length larger than expected, allowing attackers in radio range to cause a buffer overflow via a crafted packet. This affects, for example, August Smart Lock.
Conclusion & alert: CVE-2019-17518 is rated Moderate Risk (40.6/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.19%). Mandatory action: Review affected assets and schedule 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 | 2025-11-21 | 0.06% | 0.19% | +0.13% |
| 2 | 2025-11-18 | 0.20% | 0.06% | -0.14% |
| 3 | 2025-03-30 | — | 0.20% | — |
Full EPSS history (10 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] |
| 6.1 | 2.0 | MEDIUM |
|
6.5 | 6.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| dialog-semiconductor | software_development_kit | <= 1.0.14.1081 | cpe:2.3:a:dialog-semiconductor:software_development_kit:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://asset-group.github.io/disclosures/sweyntooth/ | Third Party Advisory |
| https://www.dialog-semiconductor.com/ja/products/connectivity/bluetooth-low-energy/smartbond-da14680-and-da14681 | Vendor Advisory |