CVE-2026-31167: 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 mode parameter to /cgi-bin/cstecgi.cgi.
Affected Software
3 affected components
TOTOLINK Totolink A3300R=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-2026-31167?
The severity of CVE-2026-31167 is high due to its potential to allow attackers to execute arbitrary commands.
2
How do I fix CVE-2026-31167?
To fix CVE-2026-31167, you should update the firmware of your TOTOLINK A3300R to a patched version.
3
What versions are affected by CVE-2026-31167?
CVE-2026-31167 affects TOTOLINK A3300R firmware version 17.0.0cu.557_B20221024.
4
What kind of attack does CVE-2026-31167 enable?
CVE-2026-31167 enables attackers to execute arbitrary commands on the device.
5
Is there a workaround for CVE-2026-31167?
As of now, the recommended action is to apply the firmware update rather than relying on a workaround.