Vulnerability-Lookup

CVE-2026-11733 (GCVE-0-2026-11733)

Vulnerability from cvelistv5 – Published: 2026-08-11 15:06 – Updated: 2026-08-12 07:17

Title

Buffer overflow vulnerability in some NETGEAR Nighthawk routers

Summary

A buffer overflow vulnerability in the listed NETGEAR models allows a device administrator to temporarily interrupt the normal operation of the affected device.

Severity

1.1 (Low)


                        
                          CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/AU:N/R:U/V:D/RE:L/U:Amber

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-11 19:25 UTC

CWE

CWE-121 - Stack-based buffer overflow

Assigner

NETGEAR mitre root

References

10 references

URL	Tags
https://www.netgear.com/support/product/rax41/	productpatch
https://www.netgear.com/support/product/rax41v2/	productpatch
https://www.netgear.com/support/product/rax43/	productpatch
https://www.netgear.com/support/product/rax42/	productpatch
https://www.netgear.com/support/product/rax42v2/	productpatch
https://www.netgear.com/support/product/rax50/	productpatch
https://www.netgear.com/support/product/rax50v2/	productpatch
https://www.netgear.com/support/product/rax43v2/	productpatch
https://www.netgear.com/support/product/rax49s/	productpatch
https://kb.netgear.com/000070887/August-2026-NETG…	vendor-advisorypatch

Impacted products

11 products

Vendor	Product	Version
NETGEAR	RAX41	Affected: 0 , < V1.1.6.36 (custom)
NETGEAR	RAX41v2	Affected: 0 , < V1.1.6.36 (custom)
NETGEAR	RAX42	Affected: 0 , < V1.1.6.36 (custom)
NETGEAR	RAX42v2	Affected: 0 , < V1.1.6.36 (custom)
NETGEAR	RAX43	Affected: 0 , < V1.1.6.36 (custom)
NETGEAR	RAX43v2	Affected: 0 , < V1.1.6.36 (custom)
NETGEAR	RAX49S	Affected: 0 , < V1.1.6.36 (custom)
NETGEAR	RAX50	Affected: 0 , < V1.1.6.36 (custom)
NETGEAR	RAX50v2	Affected: 0 , < V1.1.6.36 (custom)
NETGEAR	RAX54S	Affected: 0 , < V1.1.6.36 (custom)
NETGEAR	RAX54Sv2	Affected: 0 , < V1.1.6.36 (custom)

Date Public

2026-08-11 15:00

Credits

tmotfl

Show details on NVD website

JSON

To clipboard

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              "type": "finder",
              "value": "tmotfl"
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          "datePublic": "2026-08-11T15:00:00.000Z",
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              ],
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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\u003eRAX41 (EoS)\u003c/b\u003e Nighthawk AX5 5-Stream AX3600 WiFi Router\u003c/td\u003e\u003ctd\u003e\u003ca href=\"https://www.netgear.com/support/product/rax41/\"\u003eV1.1.6.36\u003c/a\u003e\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cb\u003eRAX41v2\u003c/b\u003e Nighthawk AX5 5-Stream AX3600 WiFi Router\u003c/td\u003e\u003ctd\u003e\u003ca href=\"https://www.netgear.com/support/product/rax41v2/\"\u003eV1.1.6.36\u003c/a\u003e\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cb\u003eRAX42 (EoS)\u003c/b\u003e Nighthawk AX5 5-Stream AX4200 WiFi Router\u003c/td\u003e\u003ctd\u003e\u003ca href=\"https://www.netgear.com/support/product/rax42/\"\u003eV1.1.6.36\u003c/a\u003e\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cb\u003eRAX42v2\u003c/b\u003e Nighthawk AX5 5-Stream AX4200 WiFi Router\u003c/td\u003e\u003ctd\u003e\u003ca href=\"https://www.netgear.com/support/product/rax42v2/\"\u003eV1.1.6.36\u003c/a\u003e\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cb\u003eRAX43\u003c/b\u003e Nighthawk AX5 5-Stream AX4200 WiFi Router\u003c/td\u003e\u003ctd\u003e\u003ca href=\"https://www.netgear.com/support/product/rax43/\"\u003eV1.1.6.36\u003c/a\u003e\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cb\u003eRAX43v2\u003c/b\u003e Nighthawk AX5 5-Stream AX4200 WiFi Router\u003c/td\u003e\u003ctd\u003e\u003ca href=\"https://www.netgear.com/support/product/rax43v2/\"\u003eV1.1.6.36\u003c/a\u003e\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cb\u003eRAX49S\u003c/b\u003e Nighthawk AX6 6-Stream AX5300 WiFi Router\u003c/td\u003e\u003ctd\u003e\u003ca href=\"https://www.netgear.com/support/product/rax49s/\"\u003eV1.1.6.36\u003c/a\u003e\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cb\u003eRAX50\u003c/b\u003e Nighthawk AX6 6-Stream AX5400 WiFi 6 Router\u003c/td\u003e\u003ctd\u003e\u003ca href=\"https://www.netgear.com/support/product/rax50/\"\u003eV1.1.6.36\u003c/a\u003e\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cb\u003eRAX50v2\u003c/b\u003e Nighthawk AX6 6-Stream AX5400 WiFi 6 Router\u003c/td\u003e\u003ctd\u003e\u003ca href=\"https://www.netgear.com/support/product/rax50v2/\"\u003eV1.1.6.36\u003c/a\u003e\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cb\u003eRAX54S\u003c/b\u003e Nighthawk AX6 6-Stream AX5400 WiFi Router\u003c/td\u003e\u003ctd\u003e\u003ca href=\"https://www.netgear.com/support/product/rax54s/\"\u003eV1.1.6.36\u003c/a\u003e\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cb\u003eRAX54Sv2\u003c/b\u003e Nighthawk AX6 6-Stream AX5400 WiFi Router\u003c/td\u003e\u003ctd\u003e\u003ca href=\"https://www.netgear.com/support/product/rax54sv2/\"\u003eV1.1.6.36\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"
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}

EUVD-2026-85952

European Vulnerability Database identifier assigned by ENISA

Reserved

2026-10-03 10:54

Assigner

ENISA

Alias of

a CVE record, shown under related vulnerabilities. This identifier carries no description, severity or references of its own: they belong to that CVE.

JSON

To clipboard

{
  "assigner": "ENISA",
  "date_reserved": "2026-10-03T10:54:46.962495+00:00",
  "id": "EUVD-2026-85952"
}

FKIE_CVE-2026-11733

Vulnerability from fkie_nvd - Published: 2026-08-11 16:17 - Updated: 2026-09-09 02:59

Severity

4.9 (Medium) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N

Summary

A buffer overflow vulnerability in the listed NETGEAR models allows a device administrator to temporarily interrupt the normal operation of the affected device.

References

URL	Tags
a2826606-91e7-4eb6-899e-8484bd4575d5	https://kb.netgear.com/000070887/August-2026-NETGEAR-Security-Advisory	Vendor Advisory
a2826606-91e7-4eb6-899e-8484bd4575d5	https://www.netgear.com/support/product/rax41/	Product
a2826606-91e7-4eb6-899e-8484bd4575d5	https://www.netgear.com/support/product/rax41v2/	Product
a2826606-91e7-4eb6-899e-8484bd4575d5	https://www.netgear.com/support/product/rax42/	Product
a2826606-91e7-4eb6-899e-8484bd4575d5	https://www.netgear.com/support/product/rax42v2/	Product
a2826606-91e7-4eb6-899e-8484bd4575d5	https://www.netgear.com/support/product/rax43/	Product
a2826606-91e7-4eb6-899e-8484bd4575d5	https://www.netgear.com/support/product/rax43v2/	Product
a2826606-91e7-4eb6-899e-8484bd4575d5	https://www.netgear.com/support/product/rax49s/	Product
a2826606-91e7-4eb6-899e-8484bd4575d5	https://www.netgear.com/support/product/rax50/	Product
a2826606-91e7-4eb6-899e-8484bd4575d5	https://www.netgear.com/support/product/rax50v2/	Product

Impacted products

Vendor	Product	Version
netgear	rax41_firmware	*
netgear	rax41	-
netgear	rax41v2_firmware	*
netgear	rax41v2	-
netgear	rax42_firmware	*
netgear	rax42	-
netgear	rax42v2_firmware	*
netgear	rax42v2	-
netgear	rax43_firmware	*
netgear	rax43	-
netgear	rax43v2_firmware	*
netgear	rax43v2	-
netgear	rax49s_firmware	*
netgear	rax49s	-
netgear	rax50_firmware	*
netgear	rax50	-
netgear	rax50v2_firmware	*
netgear	rax50v2	-
netgear	rax54s_firmware	*
netgear	rax54s	-
netgear	rax54sv2_firmware	*
netgear	rax54sv2	-

JSON

To clipboard

{
  "affected": [
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      "affectedData": [
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          "vendor": "NETGEAR",
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GHSA-CQ62-J5FX-XHMV

Vulnerability from github – Published: 2026-08-11 18:30 – Updated: 2026-09-09 03:30

Details

A buffer overflow vulnerability in the listed NETGEAR models allows a device administrator to temporarily interrupt the normal operation of the affected device.

Severity

4.9 (Medium)


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

1.1 (Low)


                  
                    CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/AU:N/R:U/V:D/RE:L/U:Amber

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-11733"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-121"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-11T16:17:26Z",
    "severity": "LOW"
  },
  "details": "A buffer overflow vulnerability in the listed NETGEAR models allows a device administrator to temporarily interrupt the normal operation of the affected device.",
  "id": "GHSA-cq62-j5fx-xhmv",
  "modified": "2026-09-09T03:30:31Z",
  "published": "2026-08-11T18:30:46Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-11733"
    },
    {
      "type": "WEB",
      "url": "https://kb.netgear.com/000070887/August-2026-NETGEAR-Security-Advisory"
    },
    {
      "type": "WEB",
      "url": "https://www.netgear.com/support/product/rax41"
    },
    {
      "type": "WEB",
      "url": "https://www.netgear.com/support/product/rax41v2"
    },
    {
      "type": "WEB",
      "url": "https://www.netgear.com/support/product/rax42"
    },
    {
      "type": "WEB",
      "url": "https://www.netgear.com/support/product/rax42v2"
    },
    {
      "type": "WEB",
      "url": "https://www.netgear.com/support/product/rax43"
    },
    {
      "type": "WEB",
      "url": "https://www.netgear.com/support/product/rax43v2"
    },
    {
      "type": "WEB",
      "url": "https://www.netgear.com/support/product/rax49s"
    },
    {
      "type": "WEB",
      "url": "https://www.netgear.com/support/product/rax50"
    },
    {
      "type": "WEB",
      "url": "https://www.netgear.com/support/product/rax50v2"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:N/R:U/V:D/RE:L/U:Amber",
      "type": "CVSS_V4"
    }
  ]
}

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.

Detection rules are retrieved from Rulezet.

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.

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.

Action not permitted

CVE-2026-11733 (GCVE-0-2026-11733)

EUVD-2026-85952

FKIE_CVE-2026-11733

GHSA-CQ62-J5FX-XHMV

Tags

Sightings

Nomenclature

Related by attack behaviour