CVE-2021-45392
HIGH
7.5
CVSS Score
Published: February 14, 2022 at 04:25 PM UTC
Updated: June 17, 2026 at 04:13 AM UTC
2 products affected across 1 vendorAX12 FirmwareAx12
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Severity
HIGH7.5
Exploit prediction
EPSS 12%
Description
A Buffer Overflow vulnerability exists in Tenda Router AX12 V22.03.01.21_CN in the sub_422CE4 function in page /goform/setIPv6Status via the prefixDelegate parameter, which causes a Denial of Service.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (4)
x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://github.com/sec-bin/IoT-CVE/tree/main/Tenda/AX12/2x_refsource_MISCProductVendor Advisory
Source: [email protected]
https://www.tenda.com.cn/product/AX12.htmlCVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-787
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