Security readout for executives and security teams
Plain-English summary
This CVE affects specific D-Link Go-RT-AC750 router firmware and is rated critical. A network attacker may be able to trigger a buffer overflow without credentials or user interaction, potentially taking control of the device. CISA lists it as known exploited, so exposed devices deserve urgent attention.
Executive priority
Treat this as an urgent edge-device risk. KEV status means exploitation has been observed, and router compromise can undermine network trust. Prioritize inventory, exposure reduction, and vendor-supported remediation or replacement.
Technical view
CVE-2022-37055 is a CWE-120 buffer overflow in D-Link Go-RT-AC750 GORTAC750_revA_v101b03 and GO-RT-AC750_revB_FWv200b02, associated with cgibin and hnap_main. CVSS 3.1 is 9.8: network attack vector, low complexity, no privileges, no user interaction, and high confidentiality, integrity, and availability impact.
Likely exposure
Exposure is most likely where affected D-Link Go-RT-AC750 routers remain deployed, especially if management or HNAP-related services are reachable from untrusted networks. The source bundle does not provide CPE data or a complete affected-product matrix.
Exploitation context
Active exploitation is supported by CISA KEV inclusion. FortiGuard also lists this in a D-Link multiple-devices attack outbreak advisory. The provided sources do not include safe operational detail about exploit mechanics, campaign scale, or exact targeting patterns.
Researcher notes
The strongest evidence is the CVE record, CVSS vector, CISA KEV flag, and D-Link/FortiGuard references. The bundle lacks detailed affected CPEs, patch version mapping, and exploit telemetry, so remediation conclusions should be tied back to D-Link advisories.
Mitigation direction
- Identify D-Link Go-RT-AC750 rev A v101b03 or rev B FWv200b02 in asset inventories.
- Check D-Link SAP10308 and security bulletins for supported firmware or replacement guidance.
- Remove public internet exposure to router management and HNAP-related services where present.
- Prioritize replacement or isolation if no vendor-supported fixed firmware is available.
- Monitor D-Link, CISA, and FortiGuard advisories for updates and indicators.
Validation and detection
- Compare device model, hardware revision, and firmware against the CVE-listed Go-RT-AC750 versions.
- Confirm whether affected devices are reachable from untrusted or internet-facing networks.
- Review CISA KEV status and internal exposure data to set remediation deadlines.
- Check vendor advisory SAP10308 before assuming a patch or workaround exists.
- Document any unsupported devices that require replacement or compensating controls.
Public sources used
Michael Williams reviewed this cited source version on .
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-120: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2022-37055 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Critical
- CVSS
- 9.8 (3.1)
- Known Exploited
- Yes
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CISA KEV status
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H3.95.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
9.8CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://www.dlink.com/en/security-bulletin/CVE reference
- https://drive.google.com/file/d/1hmIk0jQoex4QDyjIUg_6yxi-J6ROCh8S/view?usp=sharingCVE reference
- https://supportannouncement.us.dlink.com/security/publication.aspx?name=SAP10308CVE reference
- https://www.fortiguard.com/outbreak-alert/d-link-multiple-devices-attackCVE reference · third-party-advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-37055CVE reference · government-resource
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.