CVE-2022-37055
CriticalExploitedPublic exploitD-Link Go-RT-AC750 GORTAC750_revA_v101b03 and GO-RT-AC750_revB_FWv200b02 are vulnerable to Buffer Overflow via cgibin, hnap_main,
Published Aug 28, 2022 · Updated Dec 9, 2025
Key Facts
Patch immediately- CVE-2022-37055 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting Go-Rt-Ac750 Firmware (Dlink).
- It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since May 24, 2024. Public exploit code is available.
- EPSS estimates a 56% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
56%
Higher than 99.0% of all scored CVEs
Exploited in the wild
Yes
4 catalog listings
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2022-37055 brief as a PDF
Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.
Description
D-Link Go-RT-AC750 GORTAC750_revA_v101b03 and GO-RT-AC750_revB_FWv200b02 are vulnerable to Buffer Overflow via cgibin, hnap_main,
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CISA KEV | Dec 8, 2025 | Dec 29, 2025 | Not reported |
| Industry KEV feed | May 24, 2024 | Dec 29, 2025 | Not reported |
| CIRCL KEV | Dec 8, 2025 | Dec 29, 2025 | Not reported |
| ENISA EUVD | Dec 8, 2025 | n/a | Not reported |
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.
Affected Products
2 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Go-Rt-Ac750 FirmwareDlink | 1.01b03, 2.00b02 | n/a |
Timeline
Publicly disclosed
Aug 28, 2022
Added to Industry KEV feed
May 24, 2024
Added to CISA KEV
Dec 8, 2025
Added to CIRCL KEV
Dec 8, 2025
Added to ENISA EUVD
Dec 8, 2025
Last updated
Dec 9, 2025
Weakness Type
- CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
References
- advisoryhttps://supportannouncement.us.dlink.com/security/publication.aspx?name=SAP10308
- advisoryhttps://www.dlink.com/en/security-bulletin/
- advisoryVulnCheck exploitation report
- patchhttps://drive.google.com/file/d/1hmIk0jQoex4QDyjIUg_6yxi-J6ROCh8S/view?usp=sharing
- exploitVulnCheck exploitation report
FAQ
Common Questions.
D-Link Go-RT-AC750 GORTAC750_revA_v101b03 and GO-RT-AC750_revB_FWv200b02 are vulnerable to Buffer Overflow via cgibin, hnap_main,
Affected: Go-Rt-Ac750 Firmware (Dlink) versions 1.01b03, 2.00b02. The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since May 24, 2024.
Yes. It was added on Dec 8, 2025 with a federal remediation due date of Dec 29, 2025.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
Is CVE-2022-37055 Running On Your Attack Surface?
Brandefense maps vulnerabilities like this one to your internet-facing assets and tells you exactly where to patch.
Request A Demo