CVE-2021-45391

moderate-risk
Published 2022-02-16

A Buffer Overflow vulnerability exists in Tenda Router AX12 V22.03.01.21_CN in the sub_422CE4 function in the goform/setIPv6Status binary file /usr/sbin/httpd via the conType parameter, which causes a Denial of Service.

Do I need to act?

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1.00% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Tenda

References (8)

Broken Link http://tendawifi.com/index.html
Exploit https://github.com/sec-bin/IoT-CVE/tree/main/Tenda/AX12/1
Vendor Advisory https://www.tenda.com.cn/
Product https://www.tenda.com.cn/product/AX12.html
Broken Link http://tendawifi.com/index.html
Exploit https://github.com/sec-bin/IoT-CVE/tree/main/Tenda/AX12/1
Vendor Advisory https://www.tenda.com.cn/
Product https://www.tenda.com.cn/product/AX12.html
34
/ 100
moderate-risk
Severity 26/34 · High
Exploitability 3/34 · Minimal
Exposure 5/34 · Minimal