CVE-2022-27271

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2022-04-10 · updated 2026-06-17
Weakness: CWE-78

Description

InHand Networks InRouter 900 Industrial 4G Router before v1.0.0.r11700 was discovered to contain a remote code execution (RCE) vulnerability via the component python-lib. This vulnerability is triggered via a crafted packet.

Affected products

Inhandnetworks Inrouter 900 Firmware: before 1.0.0.r11700 — fixed in 1.0.0.r11700

How to fix

Upgrade to a fixed version: Inhandnetworks Inrouter 900 Firmware 1.0.0.r11700. Check the vendor advisory for mitigations.

References

https://drive.google.com/drive/folders/1zJ2dGrKar-WTlYz13v1f0BIsoIm3aU0l?usp=sharing
https://github.com/wu610777031/IoT_Hunter/blob/main/Inhand%20InRouter%20900%20Industrial%204G%20Router%20%20Vulnerabilities%28RCE%29.pdf
https://drive.google.com/drive/folders/1zJ2dGrKar-WTlYz13v1f0BIsoIm3aU0l?usp=sharing
https://github.com/wu610777031/IoT_Hunter/blob/main/Inhand%20InRouter%20900%20Industrial%204G%20Router%20%20Vulnerabilities%28RCE%29.pdf

Get alerted when CVE-2022-27271 or the next vulnerability affects your stack