vulnerability

CVE-2022-37055

9.8

Critical

KEV · Exploited in wildEPSS 56%Patch available

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

exploited

Yes, in CISA KEV since 8 Dec 2025fix by 29 Dec 2025 (CISA deadline for US federal agencies)

fix

Patch available see the advisory in the references

likelihood

EPSS 55.5%

Published 28 Aug 2022Analysed here 2 Nov 2026CVSS scored by CISA

do firstApply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

triage

server-sideruntimeWAF can block: noAV · networkCWE-120· Buffer Overflow

Can a WAF block it? No. This is a buffer overflow. Generic WAF rules do not recognise the input that triggers it; only a rule written for this specific CVE can, and only if the triggering request has a recognisable shape.

Also consider: patch

Based on the weakness type only; no CVE-specific evidence yet. We check Cloudflare, AWS, Google Cloud Armor and Azure; for Akamai, Imperva, Fastly, F5, ask your vendor.

cvss vector

attack vectornetworkattack complexitylowprivileges requirednoneuser interactionnonescopeunchangedconfidentialityhighintegrityhighavailabilityhigh

CVSS 3.1 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

common questions

Is CVE-2022-37055 being exploited?

Yes. CVE-2022-37055 appears in CISA's Known Exploited Vulnerabilities catalog, which means exploitation in the wild has been confirmed and reported. Treat it as active rather than theoretical, and patch it ahead of higher-scoring vulnerabilities that carry no exploitation evidence.

How severe is CVE-2022-37055?

CVE-2022-37055 is rated Critical with a CVSS score of 9.8. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.

Is there a patch for CVE-2022-37055?

Yes. A fix has been recorded for CVE-2022-37055. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.

What does CVE-2022-37055 affect?

CVE-2022-37055 affects dlink:go-rt-ac750_firmware. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.

Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.

executive summary

technical analysis

affected

dlink:go-rt-ac750_firmware

cisa ssvc

exploitation: active
automatable: yes
technical impact: total

Assessed by CISA 8 Dec 2025 (SSVC 2.0.3).

timeline

28 Aug 2022Published
8 Dec 2025Added to CISA KEV (exploited in the wild) · 1,197 days (about 3 years) later
8 Dec 2025CISA SSVC assessment: exploitation active · same day later
9 Dec 2025CVE record last updated · 1 day later
29 Dec 2025CISA remediation due date (US federal agencies) · 20 days later
2 Nov 2026Analysed by vulneraibility.com · 309 days (about 10 months) later

how to fix

Remediation steps are tailored for users whose stack is affected. Add this technology to your stack to see the fix checklist.

references

NVD CVE.org CVE Details Source

5 references in the CVE record: 1 advisory, 4 links

Advisoryfortiguard.com /outbreak-alert/d-link-multiple-devices-attack
Linkdlink.com /en/security-bulletin/
Linkdrive.google.com /file/d/1hmIk0jQoex4QDyjIUg_6yxi-J6ROCh8S/view?usp=sharing
Linksupportannouncement.us.dlink.com /security/publication.aspx?name=SAP10308
Linkcisa.gov /known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-37055

sources

CVE List (CVE.org): description, affected versions, references; CVE Terms of Use
NVD: CVSS and CPE data
CISA KEV catalog: exploitation, date added, due date
CISA Vulnrichment (ADP): SSVC decision points
FIRST EPSS: exploit probability and percentile
Summary, impact and triage tags: written by our AI analysis pipeline from the sources above. Check them against the sources.

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