CVE-2021-31698

CRITICAL

Quectel EG25-G Firmware < 202006130814 - Remote Code Execution via AT Command Shell Metacharacter Injection

Title source: llm

Description

Quectel EG25-G devices through 202006130814 allow executing arbitrary code remotely by using an AT command to place shell metacharacters in quectel_handle_fumo_cfg input in atfwd_daemon.

References (1)

Core 1

Core References

Exploit, Third Party Advisory x_refsource_misc

https://nns.ee/blog/2021/04/03/modem-rce.html

Scores

CVSS v3 9.8

EPSS 0.0192

EPSS Percentile 77.4%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE

CWE-78

Status published

Products (1)

quectel/eg25-g_firmware < 202006130814

Published Aug 12, 2021

Tracked Since Feb 18, 2026