D-Link Go-RT-AC750 101b03/200b02 hnap_main buffer overflow
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.6 | $5k-$25k | 0.00 |
Summary
A vulnerability identified as critical has been detected in D-Link Go-RT-AC750 101b03/200b02. This impacts the function hnap_main. Performing a manipulation results in buffer overflow.
This vulnerability is reported as CVE-2022-37055. Moreover, an exploit is present.
Details
A vulnerability was found in D-Link Go-RT-AC750 101b03/200b02. It has been classified as critical. This affects the function hnap_main. The manipulation with an unknown input leads to a buffer overflow vulnerability. CWE is classifying the issue as CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:
D-Link Go-RT-AC750 GORTAC750_revA_v101b03 and GO-RT-AC750_revB_FWv200b02 are vulnerable to Buffer Overflow via cgibin, hnap_main,
The weakness was disclosed 08/28/2022. It is possible to read the advisory at drive.google.com. This vulnerability is uniquely identified as CVE-2022-37055 since 08/01/2022. Technical details and a exploit are known. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 12/09/2025).
It is declared as attacked. The CISA Known Exploited Vulnerabilities Catalog lists this issue since 12/08/2025 with a due date of 12/29/2025:
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2022-39709). Be aware that VulDB is the high quality source for vulnerability data.
Product
Vendor
Name
Version
License
Website
- Vendor: https://www.dlink.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.6VulDB Meta Temp Score: 7.6
VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 9.8
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Buffer overflowCWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Attacked
EPSS Score: 🔍
EPSS Percentile: 🔍
KEV Added: 🔍
KEV Due: 🔍
KEV Remediation: 🔍
KEV Ransomware: 🔍
KEV Notice: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
08/01/2022 🔍08/28/2022 🔍
08/28/2022 🔍
12/09/2025 🔍
Sources
Vendor: dlink.comAdvisory: drive.google.com
Status: Confirmed
CVE: CVE-2022-37055 (🔍)
GCVE (CVE): GCVE-0-2022-37055
GCVE (VulDB): GCVE-100-207447
EUVD: 🔍
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 08/28/2022 21:58Updated: 12/09/2025 01:21
Changes: 08/28/2022 21:58 (38), 10/09/2022 08:09 (11), 01/06/2025 18:31 (15), 12/08/2025 23:26 (15), 12/09/2025 01:21 (1)
Complete: 🔍
Cache ID: 216::103
Be aware that VulDB is the high quality source for vulnerability data.
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