An issue discovered in Shenzhen Zhibotong Electronics WBT WE1626 Router v 21.06.18 allows attacker to execute arbitrary commands via serial connection to the UART port.
Conclusion & alert: CVE-2022-45553 is rated High Exploit Risk (83.5/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 1.68%). 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 | 2026-05-13 | 1.17% | 1.68% | +0.52% |
| 2 | 2026-03-11 | 0.80% | 1.17% | +0.36% |
| 3 | 2026-03-04 | — | 0.80% | — |
Full EPSS history (18 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 |
|---|---|---|---|
| zbt | we1626_firmware | 21.06.18 | cpe:2.3:o:zbt:we1626_firmware:21.06.18:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://shenzhen.com | Broken Link |
| http://zbt.com | Vendor Advisory |
| https://blog.prodefense.io/zbt-we1626-wireless-router-cve-disclosures-b3534484d97d | Exploit Third Party Advisory |