CVE-2019-7391
ZyXEL VMG3312-B10B DSL-491HNU-B1B v2 devices allow login/login-page.cgi CSRF.
ZyXEL VMG3312-B10B DSL-491HNU-B1B v2 devices allow login/login-page.cgi CSRF.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
ZyXEL VMG3312-B10B DSL-491HNU-B1B v2 devices allow login/login-page.cgi CSRF.
- Record
CVE-2019-7391- CVSS 3.0
- 8.8 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:P - Weakness
- CWE-352
- Updated
- 2026-11-02
CVE List No score
ZyXEL VMG3312-B10B DSL-491HNU-B1B v2 devices allow login/login-page.cgi CSRF.
- Record
CVE-2019-7391- Updated
- 2026-11-02
EUVDEUVD-2019-16933 No score
ZyXEL VMG3312-B10B DSL-491HNU-B1B v2 devices allow login/login-page.cgi CSRF.
- Record
EUVD-2019-16933- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-hf43-rrhm-263f
ZyXEL VMG3312-B10B DSL-491HNU-B1B v2 devices allow login/login-page.cgi CSRF.
ZyXEL VMG3312-B10B DSL-491HNU-B1B v2 devices allow login/login-page.cgi CSRF.
- Record
GHSA-hf43-rrhm-263f- CVSS 3.0
- 8.8 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-352
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Zyxel VMG3312-B10B DSL-491HNU-B1B v2 Modem - Cross-Site Request Forgery | 2019-02-05 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2019-7391 is a high vulnerability (CVSS 8.8) in Zyxel Dsl-491hnu-b10b Firmware, published March 17, 2019. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 13.6%, the 96th percentile. No source names a fixed version.
References
packetstormsecurity.com/files/151550/Zyxel-VMG3312-B10B-DSL-491HNU-B1-V2-Cross-Site-Request-Forgery.html
exploit-db.com/exploits/46326
owasp.org/index.php/Cross-Site_Request_Forgery_%28CSRF%29
twitter.com/h1_yusuf
nvd.nist.gov/vuln/detail/CVE-2019-7391
github.com/advisories/GHSA-hf43-rrhm-263f