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D-Link · Routers

CVE-2022-37055

D-Link Routers Buffer Overflow Vulnerability

Exploited in attacks Critical 9.8 Attack chance: 56%
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What it is

D-Link Go-RT-AC750 GORTAC750_revA_v101b03 and GO-RT-AC750_revB_FWv200b02 are vulnerable to Buffer Overflow via cgibin, hnap_main,

CISA: 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.

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.

Deadline for US federal agencies: December 29, 2025

Added to the CISA list
December 8, 2025
Published
August 28, 2022
Severity
Critical 9.8 CVSS 3.1
Chance of attacks in the next 30 days (EPSS)
56% in the top 1.0% of all known vulnerabilities
Weakness
CWE-120
More details
NVD · CVE.org · CISA
All references (3)

More exploited flaws from D-Link

AddedVulnerabilityProductSeverityAttack chance
Apr 24, 2026Command InjectionCVE-2025-29635DIR-823XHigh 7.288%
Aug 5, 2025UnspecifiedCVE-2020-25078DCS-2530L and DCS-2670L DevicesHigh 7.598%
Aug 5, 2025DCS-2530L and DCS-2670L Command InjectionCVE-2020-25079DCS-2530L and DCS-2670L DevicesHigh 8.854%
Aug 5, 2025Download of Code Without Integrity CheckCVE-2022-40799DNR-322LHigh 8.834%
Jun 25, 2025 D-Link DIR-859 Router Path TraversalCVE-2024-0769DIR-859 RouterMedium 5.383%
Sep 30, 2024OS Command InjectionCVE-2023-25280DIR-820 RouterCritical 9.898%
May 16, 2024Information DisclosureCVE-2021-40655DIR-605 RouterHigh 7.587%
May 16, 2024Cross-Site Request Forgery (CSRF)CVE-2014-100005DIR-600 RouterHigh 8.043%

All of them →

Sources: Known Exploited Vulnerabilities (CISA, public domain), CVE records (cve.org) and EPSS (FIRST). The chance of attacks is the EPSS estimate that someone will try to exploit the flaw in the next 30 days.