AUGUST 4, 2026
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Case File

CVE-2021-35034

HIGH · CVSS 7.4 EPSS 1.04%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-12-29 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.4. It may be remotely exploitable.

CVE
CVE-2021-35034
Severity
HIGH
CVSS
7.4
EPSS
1.04%

Original NVD Description

An insufficient session expiration vulnerability in the CGI program of the Zyxel NBG6604 firmware could allow a remote attacker to access the device if the correct token can be intercepted.

Related CVEs

Other vulnerabilities affecting the same vendor(s)