CVE-2026-31176: Command Injection
Published Apr 23, 2026
·Updated
An issue was discovered in ToToLink A3300R firmware v17.0.0cu.557B20221024 allowing attackers to execute arbitrary commands via the stunuser parameter to /cgi-bin/cstecgi.cgi.
Affected Software
3 affected components
TOTOLINK A3300R firmware=17.0.0cu.557_B20221024
All of the following
TOTOLINK A3300R firmware=17.0.0cu.557_b20221024
TOTOLINK A3300R
Event History
Apr 23, 2026
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description
Data Sourced
via NVD·06:16 PM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2026-31176?
CVE-2026-31176 is classified as a high severity vulnerability due to its potential to allow arbitrary command execution.
2
How do I fix CVE-2026-31176?
To fix CVE-2026-31176, update the ToToLink A3300R firmware to the latest version provided by the vendor.
3
What is the impact of CVE-2026-31176?
The impact of CVE-2026-31176 includes unauthorized access and control over the affected device through command injection.
4
Which devices are affected by CVE-2026-31176?
CVE-2026-31176 affects the ToToLink A3300R firmware version 17.0.0cu.557_B20221024.
5
How does CVE-2026-31176 exploit the system?
CVE-2026-31176 exploits the system by manipulating the stun_user parameter in the cgi-bin/cstecgi.cgi script to execute arbitrary commands.