CVE-2023-26921

CRITICAL

quectel AG550QCN - Command Injection

Title source: llm
STIX 2.1

Description

OS Command Injection vulnerability in quectel AG550QCN allows attackers to execute arbitrary commands via ql_atfwd.

Scores

CVSS v3 9.8
EPSS 0.0269
EPSS Percentile 84.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact total

Details

CWE
CWE-78
Status published
Products (1)
quectel/ag550qcn_firmware
Published Apr 04, 2023
Tracked Since Feb 18, 2026