CVE-2019-7391

published 2019-03-21

CVE-2019-7391: ZyXEL VMG3312-B10B DSL-491HNU-B1B v2 devices allow login/login-page.cgi CSRF.

Priority P2 60 high 8.8 CVSS 3.0

AV N AC L PR N UI R S U C H I H A H

EXPLOIT

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

Detection & IOCs extracted from sources · hover to see the quote

url /login/login-page.cgi

• → CSRF attack targets the login/login-page.cgi endpoint on ZyXEL VMG3312-B10B / DSL-491HNU-B1B v2 devices; monitor for cross-origin POST requests to this path. ↗
• → Exploit uses history.pushState to mask the origin/referrer of the CSRF request; inspect browser history manipulation in conjunction with requests to the device login page. ↗

• · Vulnerability is confirmed on ZyXEL VMG3312-B10B and DSL-491HNU-B1B v2 firmware only; other versions/models are not confirmed affected. ↗

CVSS provenance

nvd v3.0 8.8 HIGH CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

nvd v2.0 6.8 MEDIUM AV:N/AC:M/Au:N/C:P/I:P/A:P

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