CVE-2026-31166: 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 hour parameter to /cgi-bin/cstecgi.cgi.
Affected Software
3 affected components
TOTOLINK A3300R firmware=v17.0.0cu.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·07:17 PM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2026-31166?
CVE-2026-31166 is classified as a high severity vulnerability due to its potential for arbitrary command execution.
2
How do I fix CVE-2026-31166?
To fix CVE-2026-31166, it is recommended to update the ToToLink A3300R firmware to the latest version available from the vendor.
3
What are the implications of CVE-2026-31166?
The implications of CVE-2026-31166 include the risk of attackers gaining unauthorized access to execute commands on the device.
4
Which devices are affected by CVE-2026-31166?
CVE-2026-31166 affects ToToLink A3300R firmware version 17.0.0cu.557_B20221024.
5
Is CVE-2026-31166 remotely exploitable?
Yes, CVE-2026-31166 is remotely exploitable, allowing attackers to execute arbitrary commands without local access.