Cyber Resilience

CVE-2022-26147

CriticalPublic PoCRCE

Published: 21 June 2022

Published
21 June 2022
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.1260 94.1th percentile
Risk Priority 27 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2022-26147 is a critical-severity OS Command Injection (CWE-78) vulnerability in Quectel Rg502Q-Ea Firmware. Its CVSS base score is 9.8 (Critical).

Operationally, ranked in the top 5.9% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

Deeper analysis

The vulnerability CVE-2022-26147 is an OS command injection flaw (CWE-78) present in the Quectel RG502Q-EA modem in versions before 2022-02-23. It carries a CVSS v3.1 base score of 9.8, reflecting remote network exploitability without authentication or user interaction and full impact on confidentiality, integrity, and availability.

An unauthenticated attacker with network access can exploit the flaw to inject and execute arbitrary operating system commands on the modem, resulting in complete device compromise.

The listed references point to a technical analysis of the modem remote code execution issue; no vendor advisory or patch remediation details are supplied in the CVE record. The EPSS score has remained near 0.13 with only minor variation between current and peak values.

EU & UK References

Vulnerability details

The Quectel RG502Q-EA modem before 2022-02-23 allow OS Command Injection.

CWE(s)

Related Threats

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

Affected Assets

quectel
rg502q-ea firmware
≤ 2022-02-23

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-78

Platform-independent apps typically execute inside a managed runtime or sandbox that restricts direct OS command execution, reducing the ability to exploit OS command injection.

addresses: CWE-78

Validates inputs to block special elements that would alter OS command execution.

References