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Hackers actively exploit critical RCE flaw in legacy D-Link DSL routers

ID: 1fd07a6b-1279-50ee-9f0c-d98cc2a5cb99

STIX ID: report--1fd07a6b-1279-50ee-9f0c-d98cc2a5cb99

Feed Name: Security Affairs

Threat Score
80/100

Date Published: 2026-01-07

Date Updated: 2026-04-22

Author: Pierluigi Paganini

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A critical unauthenticated RCE (CVE-2026-0625, CVSS 9.3) in the dnscfg.cgi endpoint of legacy D-Link DSL routers allows remote command injection; security researchers (VulnCheck, Shadowserver) observed active exploitation of affected DSL models, many of which reached end-of-life. D-Link is investigating firmware variants to identify impacted models and recommends replacing obsolete devices and applying updates where available.

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