CVE-2022-37055
D-Link Routers Buffer Overflow Vulnerability
D-Link Routers
D-Link Go-RT-AC750 GORTAC750_revA_v101b03 and GO-RT-AC750_revB_FWv200b02 are vulnerable to Buffer Overflow via cgibin, hnap_main,
Exploitation status
CISA Known Exploited Vulnerabilities
Listed by CISA on 8 December 2025. US federal agencies were required to remediate it by 29 December 2025.
EPSS — exploitation probability
FIRST puts the probability of exploitation activity in the next 30 days at 55.5%, which is higher than 99% of all scored vulnerabilities. EPSS is a forecast of activity, not a measure of severity, and it is rescored daily.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Frequently asked questions
Is CVE-2022-37055 being exploited by ransomware groups?
No ransomware group in this database is currently recorded as exploiting CVE-2022-37055.
What does CVE-2022-37055 affect?
CVE-2022-37055 affects D-Link Routers. D-Link Go-RT-AC750 GORTAC750_revA_v101b03 and GO-RT-AC750_revB_FWv200b02 are vulnerable to Buffer Overflow via cgibin, hnap_main,
How severe is CVE-2022-37055?
CVE-2022-37055 is rated CRITICAL with a CVSS base score of 9.8. EPSS puts the probability of exploitation in the next 30 days at 55.5%, higher than 99% of all scored vulnerabilities. It is listed in the CISA Known Exploited Vulnerabilities catalog, with a federal remediation deadline of 29 December 2025.
How should organisations respond to CVE-2022-37055?
Apply the vendor patch for D-Link Routers as the first priority, and treat any internet-facing instance as the most urgent. Because this vulnerability is associated with ransomware activity, also review whether the affected systems were reachable before patching, rather than assuming that patching alone closes the incident.