CVE-2026-31170
Received
Received - Intake
Command Injection in ToToLink A3300R Firmware via stun-pass Parameter
Publication date: 2026-04-09
Last updated on: 2026-04-22
Assigner: MITRE
Description
Description
An issue was discovered in ToToLink A3300R firmware v17.0.0cu.557_B20221024 allowing attackers to execute arbitrary commands via the stun-pass parameter to /cgi-bin/cstecgi.cgi.
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| totolink | a3300r_firmware | 17.0.0cu.557_b20221024 |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-77 | The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability exists in the ToToLink A3300R router firmware version 17.0.0cu.557_B20221024. It allows attackers to execute arbitrary commands on the device by exploiting the stun-pass parameter in the /cgi-bin/cstecgi.cgi endpoint.
How can this vulnerability impact me? :
An attacker exploiting this vulnerability could run any command on the affected device, potentially gaining unauthorized control. This could lead to device compromise, data theft, network disruption, or using the device as a foothold for further attacks.
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