CVE-2019-12581

MediumCVSS 6.1/10Last modified Jun 17, 2026

Description

A reflective Cross-site scripting (XSS) vulnerability in the free_time_failed.cgi CGI program in selected Zyxel ZyWall, USG, and UAG devices allows remote attackers to inject arbitrary web script or HTML via the err_msg parameter.

Metrics

CVSS 3.0 6.1/10CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Weakness enumeration

CWE-79

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

https://n-thumann.de/blog/zyxel-gateways-missing-access-control-in-account-generator-xss/Exploit, Third Party Advisory
https://sec-consult.com/en/blog/advisories/reflected-cross-site-scripting-in-zxel-zywall/index.htmlExploit, Patch, Third Party Advisory
https://www.zyxel.com/support/vulnerabilities-related-to-the-Free-Time-feature.shtmlPatch, Vendor Advisory
https://www.zyxel.com/us/en/Vendor Advisory
https://n-thumann.de/blog/zyxel-gateways-missing-access-control-in-account-generator-xss/Exploit, Third Party Advisory
https://sec-consult.com/en/blog/advisories/reflected-cross-site-scripting-in-zxel-zywall/index.htmlExploit, Patch, Third Party Advisory
https://www.zyxel.com/support/vulnerabilities-related-to-the-Free-Time-feature.shtmlPatch, Vendor Advisory
https://www.zyxel.com/us/en/Vendor Advisory

Timeline

Published: Jun 27, 2019
Last modified: Jun 17, 2026
NVD status: Modified

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