Cyber Resilience

CVE-2021-22646

HighRCE

Published: 28 July 2022

Published
28 July 2022
Modified
17 April 2025
KEV Added
Patch
CVSS Score v3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0099 77.3th percentile
Risk Priority 18 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-22646 is a high-severity Code Injection (CWE-94) vulnerability in Ovarro Twinsoft. Its CVSS base score is 8.8 (High).

Operationally, ranked in the top 22.7% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

ovarro
twinsoft
≤ 12.4
ovarro
tbox lt2-530 firmware
≤ 1.46
ovarro
tbox lt2-532 firmware
≤ 1.46
ovarro
tbox lt2-540 firmware
≤ 1.46
ovarro
tbox ms-cpu32 firmware
≤ 1.46
ovarro
tbox ms-cpu32-s2 firmware
≤ 1.46
ovarro
tbox rm2 firmware
≤ 1.46
ovarro
tbox tg2 firmware
≤ 1.46

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-94

Makes persistent code injection into loaded programs impossible when the executable image itself resides on hardware-protected read-only media.

addresses: CWE-94

Dynamically generated code can be produced and executed inside the isolated chamber, preventing host compromise from code-injection payloads.

addresses: CWE-94

Validates inputs used in dynamic code generation to block injected directives.

addresses: CWE-94

Directly prevents execution of attacker-supplied code written into data memory regions.

References