Nortek Linear eMerge E3-Series devices before 0.32-08f allow an unauthenticated attacker to inject OS commands via ReaderNo. NOTE: this issue exists because of an incomplete fix for CVE-2019-7256.
Conclusion & alert: CVE-2022-31499 is rated High Exploit Risk (89.5/100): CVSS Critical severity, with high exploitation likelihood (EPSS 93.25%, 100th percentile). Core evidence: 2 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 ↗ | |
| — | 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 | 2026-03-13 | 92.83% | 93.25% | +0.42% |
| 2 | 2026-02-25 | 92.51% | 92.83% | +0.33% |
| 3 | 2026-01-12 | — | 92.51% | — |
Full EPSS history (53 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 |
|---|---|---|---|
| nortekcontrol | emerge_e3_firmware | <= 0.32-09c | cpe:2.3:o:nortekcontrol:emerge_e3_firmware:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://packetstormsecurity.com/files/167991/Nortek-Linear-eMerge-E3-Series-Command-Injection.html | Exploit Third Party Advisory VDB Entry |
| https://eg.linkedin.com/in/omar-1-hashem | Not Applicable |
| https://gist.github.com/omarhashem123/5f0c6f1394099b555740fdc5c7651ee2 | Exploit Third Party Advisory |