CVE-2021-35034

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CVSS 3.1

9.1 critical

EPSS

1%p62

Published

Dec 29, 2021 (Dec 29, 2021)

Modified

Jun 17, 2026

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.

Vendors: zyxel
Products: nbg6604 firmware
Weakness: CWE-613
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

NVD CVE.org GitHub PoCs EPSS (1.0%)

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