Stack-based buffer overflow in WTclient.dll in SCADA Engine BACnet OPC Client before 1.0.25 allows user-assisted remote attackers to execute arbitrary code via a crafted .csv file, related to a status log message.
Conclusion & alert: CVE-2010-4740 is rated High Exploit Risk (85.7/100): CVSS Critical severity, with high exploitation likelihood (EPSS 58.30%, 98th percentile). Core evidence: 3 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 |
|---|---|---|---|---|
| 15026 | exploit_db | edb | 2010-09-16 | Exploit-DB ↗ |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | 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 | 2025-10-26 | 59.13% | 58.30% | -0.83% |
| 2 | 2025-09-10 | 59.80% | 59.13% | -0.67% |
| 3 | 2025-03-30 | — | 59.80% | — |
Full EPSS history (20 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 |
|---|---|---|---|
| scadaengine | bacnet_opc_client | <= 1.0.24 | cpe:2.3:a:scadaengine:bacnet_opc_client:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://packetstormsecurity.org/1009-exploits/bacnet-overflow.py.txt | Exploit |
| http://secunia.com/advisories/41466 | Vendor Advisory |
| http://securityreason.com/securityalert/8083 | |
| http://www.kb.cert.org/vuls/id/660688 | US Government Resource |
| http://www.securityfocus.com/bid/43289 | Exploit |
| http://www.us-cert.gov/control_systems/pdf/ICSA-10-264-01.pdf | US Government Resource |