What is CVE-2021-22646?

CVE-2021-22646 is a high-severity vulnerability in Ovarro Tbox, classified under Code Injection. CVSS score: 8.8/10. Published 2022-07-28.

How severe is CVE-2021-22646?

High severity. CVSS v3 base score is 8.8 out of 10.

RCE in Ovarro Tbox

CVE-2021-22646

The “ipk” package containing the configuration created by TWinSoft can be uploaded, extracted, and executed in Ovarro TBox, allowing malicious code execution.

Vulnerability class: RCE (Remote Code Execution)

Published 2022-07-28 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.014 (71.3th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 71st percentile — 71.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.013 · newest: 0.014 · change: +0.001

Affected products

Ovarro Tbox — versions LT2, MS-CPU32, MS-CPU32-S2
Ovarro Tbox Lt2-530
Ovarro Tbox Lt2-530 Firmware
Ovarro Tbox Lt2-532
Ovarro Tbox Lt2-532 Firmware
Ovarro Tbox Lt2-540
Ovarro Tbox Lt2-540 Firmware
Ovarro Tbox Ms-Cpu32
Ovarro Tbox Ms-Cpu32 Firmware
Ovarro Tbox Ms-Cpu32-S2

Weakness classification (CWE)

CWE-94 — Code Injection

References

www.cisa.gov/uscert/ics/advisories/icsa-21-054-04 (US Government Resource, Third Party Advisory)

Frequently asked questions

What is CVE-2021-22646?: CVE-2021-22646 is a high-severity vulnerability in Ovarro Tbox, classified under Code Injection. CVSS score: 8.8/10. Published 2022-07-28.
How severe is CVE-2021-22646?: High severity. CVSS v3 base score is 8.8 out of 10.