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CVE-2021-45986

CRITICALCVSS 9.8/10EPSS 1.89%

Last modified

CVE-2021-45986 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 1.89% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1
9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
1.89%

76.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
TendacnG1 Firmware15.11.0.17\(9502\)_cn
TendacnG3 Firmware15.11.0.17\(9502\)_cn

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-45986?
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.
How severe is CVE-2021-45986?
CVE-2021-45986 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.89% probability of exploitation in the next 30 days.
How do I fix CVE-2021-45986?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-45986?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST