Back to Database
Status published
Medium
CVE-2021-35035
A cleartext storage of sensitive information vulnerability in the Zyxel...
Vulnerability Description
A cleartext storage of sensitive information vulnerability in the Zyxel NBG6604 firmware could allow a remote, authenticated attacker to obtain sensitive information from the configuration file.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
THREAT MONITOR
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2021-35035
Credits & Attribution
No credits recorded in the NVD database.
More from Zyxel
View All →CVE-2025-9133
A missing authorization vulnerability in Zyxel ATP series firmware versions...
High
8.1
CVE-2025-8693
A post-authentication command injection vulnerability in the "priv" parameter of...
High
8.8
CVE-2025-8078
A post-authentication command injection vulnerability in Zyxel ATP series firmware...
High
7.2
CVE-2025-7673
A buffer overflow vulnerability in the URL parser of the...
Critical
9.8
CVE-2025-6599
An uncontrolled resource consumption vulnerability in the web server of...
Medium
5.3
Affected Vendor
Zyxel
View all reports →Affected Software
NBG6604 series firmware
Vulnerable Versions:
1.00(ABIR.8)C0
Timeline
Official Publish:
December 29th, 2021
Last Modified:
August 4th, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N