AUGUST 4, 2026
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Case File

CVE-2021-45392

HIGH · CVSS 7.5 EPSS 12.29% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2022-02-14 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.5. Public exploit code or proof-of-concept references have been detected in its references. Its EPSS score suggests a 12.3% probability of exploitation in the next 30 days. It may lead to a denial-of-service condition.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2021-45392
Severity
HIGH
CVSS
7.5
EPSS
12.29%

Original NVD 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)