CVE-2026-0420 (GCVE-0-2026-0420)
Vulnerability from cvelistv5 – Published: 2026-06-09 15:50 – Updated: 2026-06-11 05:19
VLAI
EPSS
VEX
Title
Missing TLS certificate validation in NETGEAR's ReadyCloud client app
Summary
An improper implementation of TLS certificate validation vulnerability found in NETGEAR's ReadyCloud client app which could allow an attacker to perform attacker-in-the-middle (MiTM) style attacks impacting the product's confidentiality. This vulnerability affects the listed NETGEAR models.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-09 17:22 UTC
CWE
- CWE-325 - Missing cryptographic step
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://www.netgear.com/support/product/rax35/ | productpatch |
| https://www.netgear.com/support/product/rax38/ | productpatch |
| https://www.netgear.com/support/product/rax40/ | productpatch |
| https://www.netgear.com/support/product/rax120v2/ | productpatch |
| https://kb.netgear.com/000070811/June-2026-NETGEA… | vendor-advisory |
Impacted products
5 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| NETGEAR | RAX120v1 |
Affected:
0 , < V1.2.9.52
(custom)
|
guessed | |
| NETGEAR | RAX120v2 |
Affected:
0 , < V1.2.9.52
(custom)
|
guessed | |
| NETGEAR | RAX35 |
Affected:
0 , < V1.0.6.106
(custom)
|
guessed | |
| NETGEAR | RAX38 |
Affected:
0 , < V1.0.6.106
(custom)
|
guessed | |
| NETGEAR | RAX40 |
Affected:
0 , < V1.0.6.106
(custom)
|
guessed |
Date Public
2026-06-09 00:00
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"id": "CVE-2026-0420",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-06-09T17:22:54.642384Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-06-09T17:23:12.088Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "RAX120v1",
"vendor": "NETGEAR",
"versions": [
{
"lessThan": "V1.2.9.52",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unaffected",
"product": "RAX120v2",
"vendor": "NETGEAR",
"versions": [
{
"lessThan": "V1.2.9.52",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unaffected",
"product": "RAX35",
"vendor": "NETGEAR",
"versions": [
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"lessThan": "V1.0.6.106",
"status": "affected",
"version": "0",
"versionType": "custom"
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},
{
"defaultStatus": "unaffected",
"product": "RAX38",
"vendor": "NETGEAR",
"versions": [
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"lessThan": "V1.0.6.106",
"status": "affected",
"version": "0",
"versionType": "custom"
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},
{
"defaultStatus": "unaffected",
"product": "RAX40",
"vendor": "NETGEAR",
"versions": [
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"lessThan": "V1.0.6.106",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "talsonor"
}
],
"datePublic": "2026-06-09T00:00:00.000Z",
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "\u003cp\u003eAn improper implementation of TLS certificate validation vulnerability found in NETGEAR\u0027s ReadyCloud client app which could allow an attacker to perform\u0026nbsp;attacker-in-the-middle (MiTM) style attacks impacting the product\u0027s confidentiality. This vulnerability affects the listed NETGEAR models.\u003c/p\u003e"
}
],
"value": "An improper implementation of TLS certificate validation vulnerability found in NETGEAR\u0027s ReadyCloud client app which could allow an attacker to perform\u00a0attacker-in-the-middle (MiTM) style attacks impacting the product\u0027s confidentiality. This vulnerability affects the listed NETGEAR models."
}
],
"impacts": [
{
"capecId": "CAPEC-217",
"descriptions": [
{
"lang": "en",
"value": "CAPEC-217 Exploiting Incorrectly Configured SSL/TLS"
}
]
}
],
"metrics": [
{
"cvssV4_0": {
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"attackComplexity": "HIGH",
"attackRequirements": "PRESENT",
"attackVector": "NETWORK",
"baseScore": 4.6,
"baseSeverity": "MEDIUM",
"exploitMaturity": "UNREPORTED",
"privilegesRequired": "NONE",
"providerUrgency": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U",
"version": "4.0",
"vulnAvailabilityImpact": "NONE",
"vulnConfidentialityImpact": "HIGH",
"vulnIntegrityImpact": "NONE",
"vulnerabilityResponseEffort": "NOT_DEFINED"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-325",
"description": "CWE-325 Missing cryptographic step",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-06-11T05:19:09.117Z",
"orgId": "a2826606-91e7-4eb6-899e-8484bd4575d5",
"shortName": "NETGEAR"
},
"references": [
{
"tags": [
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],
"url": "https://www.netgear.com/support/product/rax35/"
},
{
"tags": [
"product",
"patch"
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"url": "https://www.netgear.com/support/product/rax38/"
},
{
"tags": [
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"url": "https://www.netgear.com/support/product/rax40/"
},
{
"tags": [
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"url": "https://www.netgear.com/support/product/rax120v2/"
},
{
"tags": [
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],
"url": "https://kb.netgear.com/000070811/June-2026-NETGEAR-Security-Advisory"
}
],
"solutions": [
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"value": "\u003cp\u003eDevices with automatic updates enabled may already have this patch applied. If not, please check the firmware version and update it to the latest. Fixed in:\u003c/p\u003e\u003ctable\u003e\u003cthead\u003e\u003ctr\u003e\u003cth\u003eProduct\u003c/th\u003e\u003cth\u003eFixed Version\u003c/th\u003e\u003c/tr\u003e\u003c/thead\u003e\u003ctbody\u003e\u003ctr\u003e\u003ctd\u003e\u003cb\u003eRAX120v1 (EoS)\u003c/b\u003e\u003c/td\u003e\u003ctd\u003e\u003ca href=\"https://www.netgear.com/support/product/rax120v1\"\u003eV1.2.9.52\u003c/a\u003e\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cb\u003eRAX120v2\u003c/b\u003e Nighthawk AX12 12-Stream AX6000 WiFi Router\u003c/td\u003e\u003ctd\u003e\u003ca href=\"https://www.netgear.com/support/product/rax120v2/\"\u003eV1.2.9.52\u003c/a\u003e\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cb\u003eRAX35 (EoS)\u003c/b\u003e Nighthawk AX4 4-Stream WiFi 6 Router\u003c/td\u003e\u003ctd\u003e\u003ca href=\"https://www.netgear.com/support/product/rax35/\"\u003eV1.0.6.106\u003c/a\u003e\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cb\u003eRAX38 (EoS)\u003c/b\u003e Nighthawk AX4 4-Stream AX3000 WiFi Router\u003c/td\u003e\u003ctd\u003e\u003ca href=\"https://www.netgear.com/support/product/rax38/\"\u003eV1.0.6.106\u003c/a\u003e\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cb\u003eRAX40 (EoS)\u003c/b\u003e Nighthawk AX4 4-Stream WiFi Router\u003c/td\u003e\u003ctd\u003e\u003ca href=\"https://www.netgear.com/support/product/rax40/\"\u003eV1.0.6.106\u003c/a\u003e\u003c/td\u003e\u003c/tr\u003e\u003c/tbody\u003e\u003c/table\u003e\u003cp\u003eModels marked (EoS) have reached End-of-Support phase, and no security updates are planned. NETGEAR strongly recommends that you retire these devices and upgrade to a newer NETGEAR device for continued security support.\u003c/p\u003e"
}
],
"value": "Devices with automatic updates enabled may already have this patch applied. If not, please check the firmware version and update it to the latest. Fixed in:\n\nProductFixed VersionRAX120v1 (EoS) V1.2.9.52 https://www.netgear.com/support/product/rax120v1 RAX120v2 Nighthawk AX12 12-Stream AX6000 WiFi Router V1.2.9.52 https://www.netgear.com/support/product/rax120v2/ RAX35 (EoS) Nighthawk AX4 4-Stream WiFi 6 Router V1.0.6.106 https://www.netgear.com/support/product/rax35/ RAX38 (EoS) Nighthawk AX4 4-Stream AX3000 WiFi Router V1.0.6.106 https://www.netgear.com/support/product/rax38/ RAX40 (EoS) Nighthawk AX4 4-Stream WiFi Router V1.0.6.106 https://www.netgear.com/support/product/rax40/ \n\nModels marked (EoS) have reached End-of-Support phase, and no security updates are planned. NETGEAR strongly recommends that you retire these devices and upgrade to a newer NETGEAR device for continued security support."
}
],
"source": {
"discovery": "EXTERNAL"
},
"title": "Missing TLS certificate validation in NETGEAR\u0027s ReadyCloud client app",
"x_generator": {
"engine": "Vulnogram 1.0.3"
}
}
},
"cveMetadata": {
"assignerOrgId": "a2826606-91e7-4eb6-899e-8484bd4575d5",
"assignerShortName": "NETGEAR",
"cveId": "CVE-2026-0420",
"datePublished": "2026-06-09T15:50:53.619Z",
"dateReserved": "2025-12-03T04:16:27.690Z",
"dateUpdated": "2026-06-11T05:19:09.117Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
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Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Vulnerability timeline
Sightings and recorded dates, grouped by day · UTC
How durations are calculated
Following the VTEM framework (Black Hat USA 2015), time to patch starts when the vendor or a coordinator was informed, total time to patch at discovery, and disclosure to patch at public disclosure; vendor response time runs from the report to its acknowledgement. Time to exploit and time unpatched start at the earliest discovery or report, falling back to public disclosure. Unpatched time ends at the first recorded patch, or the calculation time when no patch is recorded. Exploitation to patch shows the interval between those two events; a published proof of concept is a public exploit, not exploitation.
Each result shows its source dates. A negative interval means the end event came first; when date-only inputs leave the order open, the result says so. Date-only inputs are approximate. The earliest evidence wins: KEV report dates and sightings are labelled as such. Records describing another vulnerability are listed but never calculated from, and a PoC alone does not establish exploitation. Missing patch evidence does not prove that no patch exists. Filters below change the event list only.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.