What’s Vulnerable › Vulnerabilities

CVE-2021-28961

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-03-21 · updated 2026-06-17
• Weakness: CWE-78

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.

Affected products

• openwrt: 19.07.0

References

• https://github.com/openwrt/luci/commit/9df7ea4d66644df69fcea18b36bc465912ffc
• https://openwrt.org/advisory/2021-08-01-3
• https://github.com/openwrt/luci/commit/9df7ea4d66644df69fcea18b36bc465912ffc
• https://openwrt.org/advisory/2021-08-01-3

Get alerted when CVE-2021-28961 or the next vulnerability affects your stack