CVE-2022-37055

D-Link Routers memory corruption, confirmed exploited in the wild.

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.

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56%chance of exploitation in the next 30 days (EPSS), 99th percentile

8 Decadded to CISA's Known Exploited Vulnerabilities list, 2025

29 Decfederal remediation deadline, already passed

Passedpast the deadline: patch now

CISA's name for it	D-Link Routers Buffer Overflow Vulnerability
Vendor and product	D-Link · Routers
Type	memory corruption · CWE-120
Exploited	Confirmed by CISA listed 8 December 2025
Likelihood	one of the most likely to be exploited of every vulnerability tracked
Deadline	29 December 2025 · already passed
Used in ransomware	Not reported
Advisories	supportannouncement.us.dlink.com ↗ · nvd.nist.gov ↗

What to do

Three steps, in this order

Step 1

Update the product (and every browser or app that embeds it) to the fixed version.

Step 2

Make sure automatic updates are on and actually applied; restart where the update needs it.

Step 3

Watch endpoints for crashes and unusual child processes from the affected software.

CISA's required action	Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

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Questions

CVE-2022-37055 in short

Is CVE-2022-37055 being exploited?

Yes. CISA added CVE-2022-37055 to its Known Exploited Vulnerabilities catalogue on 8 December 2025, which it does only on evidence of exploitation in the wild.

What is the CISA deadline for CVE-2022-37055?

US federal agencies must remediate it by 29 December 2025. Everyone else should treat that date as the latest safe point to patch an internet-facing system.

How likely is CVE-2022-37055 to be exploited in the next 30 days?

FIRST's Exploit Prediction Scoring System gives it 56%, the 99th percentile of every CVE it scores.

How do I fix CVE-2022-37055?

Update the product (and every browser or app that embeds it) to the fixed version. Make sure automatic updates are on and actually applied; restart where the update needs it. Watch endpoints for crashes and unusual child processes from the affected software.

Same vendor

Other D-Link vulnerabilities being exploited

CVE	Product	Type	Listed
CVE-2025-29635	DIR-823X	command injection	24 April 2026

Sources: CISA Known Exploited Vulnerabilities catalogue (released 10 November 2026) and FIRST EPSS. Page compiled automatically by SAK T.L.M, the threat-intelligence tool of SAK T.E.C, on 13 November 2026.