What is CVE-2019-7391?

CVE-2019-7391 is a high-severity vulnerability in Zyxel Dsl-491hnu-B10b, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.8/10. Published 2019-03-21.

How severe is CVE-2019-7391?

High severity. CVSS v3 base score is 8.8 out of 10.

CSRF in Zyxel Dsl-491hnu-B10b

CVE-2019-7391

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

Vulnerability class: CSRF (Cross-Site Request Forgery)

Published 2019-03-21 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.136 (96.4th percentile), scored 2026-10-07.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 96.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.136 · newest: 0.136 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-352 — Cross-Site Request Forgery (CSRF)

References

packetstormsecurity.com/files/151550/Zyxel-VMG3312-B10B-DSL-491HNU-B1-V2-Cross-… (Exploit, VDB Entry, Third Party Advisory)
www.exploit-db.com/exploits/46326/ (Exploit, VDB Entry, Third Party Advisory, exploit)
www.owasp.org/index.php/Cross-Site_Request_Forgery_(CSRF)
twitter.com/h1_yusuf (Third Party Advisory)

Frequently asked questions

What is CVE-2019-7391?: CVE-2019-7391 is a high-severity vulnerability in Zyxel Dsl-491hnu-B10b, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.8/10. Published 2019-03-21.
How severe is CVE-2019-7391?: High severity. CVSS v3 base score is 8.8 out of 10.