Critical severity9.8NVD Advisory· Published Feb 21, 2023· Updated Jun 17, 2026

CVE-2023-22920

Description

A security misconfiguration vulnerability exists in the Zyxel LTE3316-M604 firmware version V2.00(ABMP.6)C0 due to a factory default misconfiguration intended for testing purposes. A remote attacker could leverage this vulnerability to access an affected device using Telnet.

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LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Zyxel/LTE3316-M604cpe-rescue2 versions
V2.00(ABMP.6)C0+ 1 more
- (no CPE)range: V2.00(ABMP.6)C0
- (no CPE)range: = V2.00(ABMP.6)C0
Zyxel/Lte3202 M437 Firmware
cpe:2.3:o:zyxel:lte3202-m437_firmware:1.00\(abwf.1\)c0:*:*:*:*:*:*:*
Zyxel/Lte3316 M604 Firmware
cpe:2.3:o:zyxel:lte3316-m604_firmware:2.00\(abmp.6\)c0:*:*:*:*:*:*:*

Patches

Vulnerability mechanics

References

www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-security-misconfiguration-vulnerability-of-4g-lte-indoor-routersnvdVendor Advisory

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