Vulnerability Details : CVE-2023-22921
A cross-site scripting (XSS) vulnerability in the Zyxel NBG-418N v2 firmware versions prior to V1.00(AARP.14)C0 could allow a remote authenticated attacker with administrator privileges to store malicious scripts using a web management interface parameter, resulting in denial-of-service (DoS) conditions on an affected device.
Vulnerability category: Cross site scripting (XSS)Denial of service
Products affected by CVE-2023-22921
- cpe:2.3:o:zyxel:nbg-418n_firmware:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2023-22921
0.30%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 51 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-22921
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:H |
1.7
|
5.3
|
NIST | |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:H |
1.7
|
5.3
|
Zyxel Corporation |
CWE ids for CVE-2023-22921
-
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.Assigned by:
- nvd@nist.gov (Primary)
- security@zyxel.com.tw (Secondary)
References for CVE-2023-22921
-
https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-nbg-418n-v2-home-router
Page Not Found | Zyxel NetworksPatch;Vendor Advisory
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