CISA-confirmed known exploited vulnerability

CVE-2018-10561

Dasan GPON Routers Authentication Bypass Vulnerability

Dasan · Gigabit Passive Optical Network (GPON) Routers

Vulnerability details

Dasan GPON Routers contain an authentication bypass vulnerability. When combined with CVE-2018-10562, exploitation can allow an attacker to perform remote code execution.

Added to CISA KEV: 2022-03-31

Ransomware campaign use: Unknown

CISA due date: 2022-04-21

Defensive guidance from CISA

The impacted product is end-of-life and should be disconnected if still in use.

This is the source's required-action field, not an independently validated patch procedure. Refer to the vendor for exact affected versions and fixes.

Source catalog date: 2026-11-06T19:44:45.1797Z · Last retrieved: 2026-11-06 21:02:26 UTC

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