D-Link Routers Buffer Overflow Vulnerability (CVE-2022-37055)
Severity: critical · Patch status: patched · Since 2025-12-08 · CVE-2022-37055
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. CISA added CVE-2022-37055 to its Known Exploited Vulnerabilities catalog on Dec 8, 2025, which means attackers are exploiting it in the wild.
What to do
- Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- US federal agencies must remediate by Dec 29, 2025 (BOD 22-01); treat that as the outer limit.
Sources
All live incidents on Threat Watch
