What’s Vulnerable › Vulnerabilities

CVE-2021-32019

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-08-02 · updated 2026-06-17
• Weakness: CWE-79

Description

There is missing input validation of host names displayed in OpenWrt before 19.07.8. The Connection Status page of the luci web-interface allows XSS, which can be used to gain full control over the affected system via ICMP.

Affected products

• openwrt: from 19.07.0 before 19.07.8 — fixed in 19.07.8

How to fix

Upgrade to a fixed version: openwrt 19.07.8. Check the vendor advisory for mitigations.

References

• https://openwrt.org/advisory/2021-08-01-1
• https://openwrt.org/advisory/2021-08-01-1

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