What is CVE-2022-45553?

CVE-2022-45553 is a critical-severity vulnerability in Zbt We1626, classified under Code Injection. CVSS score: 9.8/10. Published 2023-03-03.

How severe is CVE-2022-45553?

Critical severity. CVSS v3 base score is 9.8 out of 10.

RCE in Zbt We1626

CVE-2022-45553

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.

Vulnerability class: RCE (Remote Code Execution)

Published 2023-03-03 · last modified 2026-07-09.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.011 (64.4th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 64th percentile — 64.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

Affected products

Zbt We1626
Zbt We1626 Firmware — versions 21.06.18

Weakness classification (CWE)

CWE-94 — Code Injection

References

af854a3a-2127-422b-91ae-364da2661108 (Broken Link)
af854a3a-2127-422b-91ae-364da2661108 (Vendor Advisory)
blog.prodefense.io/zbt-we1626-wireless-router-cve-disclosures-b3534484d97d (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2022-45553?: CVE-2022-45553 is a critical-severity vulnerability in Zbt We1626, classified under Code Injection. CVSS score: 9.8/10. Published 2023-03-03.
How severe is CVE-2022-45553?: Critical severity. CVSS v3 base score is 9.8 out of 10.