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Exploited Added to CISA's list December 8, 2025

D-Link Routers: Buffer Overflow Vulnerability

What to do: Update the device firmware from its admin page or app. If it no longer gets updates, replace it.

Affects
D-Link Routers
Identifier
CVE-2022-37055
What it is
D-Link Routers contains a buffer overflow vulnerability that has a high impact on confidentiality, integrity, and availability. The impacted products could be end-of-life (EoL) and/or end-of-service (EoS). Users should discontinue product utilization.
Official guidance
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Details
National Vulnerability Database entry

"Exploited" means CISA has evidence attackers are using this flaw. Being on the list does not mean your device was attacked; it means the update matters.