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Vulnerability record · CVE-2019-7391 · published 21 March 2019

CVE-2019-7391: Zyxel dsl-491hnu-b10b firmware cross-site request forgery vulnerability

Zyxel · Dsl 491hnu B10b Firmware

ZyXEL VMG3312-B10B DSL-491HNU-B1B v2 devices allow login/login-page.cgi CSRF.

8.8 CVSS 3.0 High EPSS 14% · top 3.7% CWE-352 · Cross-site request forgery
8.8CVSS 3.0 base score, v2 6.8
14%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
8References, 4 tagged exploit
17 Jun 2026Last modified by NVD

Description

ZyXEL VMG3312-B10B DSL-491HNU-B1B v2 devices allow login/login-page.cgi CSRF.

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://packetstormsecurity.com/files/151550/Zyxel-VMG3312-B10B-DSL-491HNU-B1-V2-Cross-Site-Request-Forgery.html ExploitThird Party AdvisoryVDB Entry
https://twitter.com/h1_yusuf Third Party Advisory
https://www.exploit-db.com/exploits/46326/ ExploitThird Party AdvisoryVDB Entry
https://www.owasp.org/index.php/Cross-Site_Request_Forgery_%28CSRF%29
http://packetstormsecurity.com/files/151550/Zyxel-VMG3312-B10B-DSL-491HNU-B1-V2-Cross-Site-Request-Forgery.html ExploitThird Party AdvisoryVDB Entry
https://twitter.com/h1_yusuf Third Party Advisory
https://www.exploit-db.com/exploits/46326/ ExploitThird Party AdvisoryVDB Entry
https://www.owasp.org/index.php/Cross-Site_Request_Forgery_%28CSRF%29

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2019-7391), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.