CVE-2021-45986: OS Command Injection

Published Feb 4, 2022
·
Updated

Tenda routers G1 and G3 v15.11.0.17(9502)CN were discovered to contain a command injection vulnerability in the function formSetUSBShareInfo. This vulnerability allows attackers to execute arbitrary commands via the usbOrdinaryUserName parameter.

Affected Software

4 affected components
Tendacn G1 Firmware=15.11.0.17\(9502\)_cn
Tendacn G1
Tendacn G3 Firmware=15.11.0.17\(9502\)_cn
Tendacn G3

Event History

Feb 4, 2022
CVE Published
via MITRE·01:33 AM
Data Sourced
via MITRE·01:33 AM
Description
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Frequently Asked Questions

1

What is the severity of CVE-2021-45986?

CVE-2021-45986 has been assigned a medium severity rating due to its potential for exploitation via command injection.

2

How do I fix CVE-2021-45986?

To fix CVE-2021-45986, update the firmware of Tenda routers G1 and G3 to a version that addresses this vulnerability.

3

What types of devices are affected by CVE-2021-45986?

CVE-2021-45986 specifically affects Tenda router models G1 and G3 running firmware version 15.11.0.17(9502)_CN.

4

Can CVE-2021-45986 be exploited remotely?

Yes, CVE-2021-45986 can be exploited remotely if the attacker has access to the vulnerable parameter via network access.

5

What impact does CVE-2021-45986 have on my network?

CVE-2021-45986 can allow attackers to execute arbitrary commands on the affected Tenda routers, posing a risk to the network's security.

Contact

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