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Case File

CVE-2021-28961

HIGH · CVSS 8.8 EPSS 1.53% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-03-21 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 8.8. Public exploit code or proof-of-concept references have been detected in its references. It may be remotely exploitable. Exploitation may require the attacker to be authenticated.

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-2021-28961
Severity
HIGH
CVSS
8.8
EPSS
1.53%

Original NVD Description

applications/luci-app-ddns/luasrc/model/cbi/ddns/detail.lua in the DDNS package for OpenWrt 19.07 allows remote authenticated users to inject arbitrary commands via POST requests.

Related CVEs

Other vulnerabilities affecting the same vendor(s)