4.9
MEDIUM
CVSS 3.1
CVE-2026-11735
Stack-based buffer overflow vulnerability in some NETGEAR Nighthawk models
Overview
Description
A stack-based buffer overflow vulnerability affects the listed NETGEAR models allowing an authenticated admin user to make unauthorized modification to the router's software and functionality.
Details
INFO
Published Date :
Aug. 11, 2026, 4:17 p.m.
Last Modified :
Sept. 9, 2026, 2:58 a.m.
Remotely Exploit :
Yes !
Source :
a2826606-91e7-4eb6-899e-8484bd4575d5
Impact
Affected Products
The following products are affected by CVE-2026-11735
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
Scoring
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework
for assessing the severity of vulnerabilities in software and systems.
We collect and displays CVSS scores from various sources for each CVE.
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 4.0 | LOW | a2826606-91e7-4eb6-899e-8484bd4575d5 | ||||
| CVSS 4.0 | LOW | a2826606-91e7-4eb6-899e-8484bd4575d5 |
Solution
Patch buffer overflow vulnerability to prevent unauthorized software modification.
- Update router firmware to the latest version.
- Apply vendor-supplied security patches immediately.
- Restrict administrative access to trusted users only.
References
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-11735.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-11735 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-11735
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-11735 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-11735 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Sep. 09, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N Added CPE Configuration AND OR *cpe:2.3:o:netgear:r7000_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netgear:r7000:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:netgear:rax20_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netgear:rax20:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:netgear:rax35v2_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.16.132 OR cpe:2.3:h:netgear:rax35v2:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:netgear:rax41_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netgear:rax41:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:netgear:rax41v2_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.1.4.28 OR cpe:2.3:h:netgear:rax41v2:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:netgear:rax42_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netgear:rax42:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:netgear:rax42v2_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.1.4.28 OR cpe:2.3:h:netgear:rax42v2:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:netgear:rax43_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.16.132 OR cpe:2.3:h:netgear:rax43:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:netgear:rax43v2_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.1.4.28 OR cpe:2.3:h:netgear:rax43v2:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:netgear:rax45_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netgear:rax45:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:netgear:rax49s_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.1.4.28 OR cpe:2.3:h:netgear:rax49s:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:netgear:rax50_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.16.132 OR cpe:2.3:h:netgear:rax50:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:netgear:rax50s_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.16.132 OR cpe:2.3:h:netgear:rax50s:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:netgear:rax50v2_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.1.4.28 OR cpe:2.3:h:netgear:rax50v2:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:netgear:rax54sv2_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.1.4.28 OR cpe:2.3:h:netgear:rax54sv2:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:netgear:rax54v2_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.1.4.28 OR cpe:2.3:h:netgear:rax54v2:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:netgear:raxe450_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netgear:raxe450:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:netgear:raxe500_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.2.14.114 OR cpe:2.3:h:netgear:raxe500:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:netgear:xr1000_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.1.0.22 OR cpe:2.3:h:netgear:xr1000:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:netgear:xr1000v2_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.1.0.22 OR cpe:2.3:h:netgear:xr1000v2:-:*:*:*:*:*:*:* Added Reference Type Netgear, Inc.: https://kb.netgear.com/000070887/August-2026-NETGEAR-Security-Advisory Types: Vendor Advisory Added Reference Type Netgear, Inc.: https://www.netgear.com/support/product/r7000/ Types: Product Added Reference Type Netgear, Inc.: https://www.netgear.com/support/product/rax20/ Types: Product Added Reference Type Netgear, Inc.: https://www.netgear.com/support/product/rax35v2/ Types: Product Added Reference Type Netgear, Inc.: https://www.netgear.com/support/product/rax41/ Types: Product Added Reference Type Netgear, Inc.: https://www.netgear.com/support/product/rax41v2/ Types: Product Added Reference Type Netgear, Inc.: https://www.netgear.com/support/product/rax42/ Types: Product Added Reference Type Netgear, Inc.: https://www.netgear.com/support/product/rax42v2/ Types: Product Added Reference Type Netgear, Inc.: https://www.netgear.com/support/product/rax43/ Types: Product Added Reference Type Netgear, Inc.: https://www.netgear.com/support/product/rax43v2/ Types: Product Added Reference Type Netgear, Inc.: https://www.netgear.com/support/product/rax45/ Types: Product Added Reference Type Netgear, Inc.: https://www.netgear.com/support/product/rax49s/ Types: Product Added Reference Type Netgear, Inc.: https://www.netgear.com/support/product/rax50/ Types: Product Added Reference Type Netgear, Inc.: https://www.netgear.com/support/product/rax50s/ Types: Product Added Reference Type Netgear, Inc.: https://www.netgear.com/support/product/rax50v2/ Types: Product Added Reference Type Netgear, Inc.: https://www.netgear.com/support/product/rax54sv2/ Types: Product Added Reference Type Netgear, Inc.: https://www.netgear.com/support/product/raxe450/ Types: Product Added Reference Type Netgear, Inc.: https://www.netgear.com/support/product/raxe500/ Types: Product Added Reference Type Netgear, Inc.: https://www.netgear.com/support/product/xr1000/ Types: Product Added Reference Type Netgear, Inc.: https://www.netgear.com/support/product/xr1000v2/ Types: Product -
CVE Modified by a2826606-91e7-4eb6-899e-8484bd4575d5
Aug. 12, 2026
Action Type Old Value New Value Added Reference https://kb.netgear.com/000070887/August-2026-NETGEAR-Security-Advisory -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Aug. 11, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2026-11735', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-08-11T17:09:02.426585Z'} -
New CVE Received by a2826606-91e7-4eb6-899e-8484bd4575d5
Aug. 11, 2026
Action Type Old Value New Value Added Affected [{'vendor': 'NETGEAR', 'product': 'R7000', 'versions': [{'status': 'affected', 'version': '0', 'lessThan': '*', 'versionType': 'custom'}], 'defaultStatus': 'affected'}, {'vendor': 'NETGEAR', 'product': 'RAX20', 'versions': [{'status': 'affected', 'version': '0', 'lessThan': '*', 'versionType': 'custom'}], 'defaultStatus': 'affected'}, {'vendor': 'NETGEAR', 'product': 'RAX35v2', 'versions': [{'status': 'affected', 'version': '0', 'lessThan': 'V1.0.16.132', 'versionType': 'custom'}], 'defaultStatus': 'unaffected'}, {'vendor': 'NETGEAR', 'product': 'RAX41', 'versions': [{'status': 'affected', 'version': '0', 'lessThan': '*', 'versionType': 'custom'}], 'defaultStatus': 'affected'}, {'vendor': 'NETGEAR', 'product': 'RAX41v2', 'versions': [{'status': 'affected', 'version': '0', 'lessThan': 'V1.1.4.28', 'versionType': 'custom'}], 'defaultStatus': 'unaffected'}, {'vendor': 'NETGEAR', 'product': 'RAX42', 'versions': [{'status': 'affected', 'version': '0', 'lessThan': '*', 'versionType': 'custom'}], 'defaultStatus': 'affected'}, {'vendor': 'NETGEAR', 'product': 'RAX42v2', 'versions': [{'status': 'affected', 'version': '0', 'lessThan': 'V1.1.4.28', 'versionType': 'custom'}], 'defaultStatus': 'unaffected'}, {'vendor': 'NETGEAR', 'product': 'RAX43', 'versions': [{'status': 'affected', 'version': '0', 'lessThan': 'V1.0.16.132', 'versionType': 'custom'}], 'defaultStatus': 'unaffected'}, {'vendor': 'NETGEAR', 'product': 'RAX43v2', 'versions': [{'status': 'affected', 'version': '0', 'lessThan': 'V1.1.4.28', 'versionType': 'custom'}], 'defaultStatus': 'unaffected'}, {'vendor': 'NETGEAR', 'product': 'RAX45', 'versions': [{'status': 'affected', 'version': '0', 'lessThan': '*', 'versionType': 'custom'}], 'defaultStatus': 'affected'}, {'vendor': 'NETGEAR', 'product': 'RAX49S', 'versions': [{'status': 'affected', 'version': '0', 'lessThan': 'V1.1.4.28', 'versionType': 'custom'}], 'defaultStatus': 'unaffected'}, {'vendor': 'NETGEAR', 'product': 'RAX50', 'versions': [{'status': 'affected', 'version': '0', 'lessThan': 'V1.0.16.132', 'versionType': 'custom'}], 'defaultStatus': 'unaffected'}, {'vendor': 'NETGEAR', 'product': 'RAX50S', 'versions': [{'status': 'affected', 'version': '0', 'lessThan': 'V1.0.16.132', 'versionType': 'custom'}], 'defaultStatus': 'unaffected'}, {'vendor': 'NETGEAR', 'product': 'RAX50v2', 'versions': [{'status': 'affected', 'version': '0', 'lessThan': 'V1.1.4.28', 'versionType': 'custom'}], 'defaultStatus': 'unaffected'}, {'vendor': 'NETGEAR', 'product': 'RAX54Sv2', 'versions': [{'status': 'affected', 'version': '0', 'lessThan': 'V1.1.4.28', 'versionType': 'custom'}], 'defaultStatus': 'unaffected'}, {'vendor': 'NETGEAR', 'product': 'RAX54v2', 'versions': [{'status': 'affected', 'version': '0', 'lessThan': 'V1.1.4.28', 'versionType': 'custom'}], 'defaultStatus': 'unaffected'}, {'vendor': 'NETGEAR', 'product': 'RAXE450', 'versions': [{'status': 'affected', 'version': '0', 'lessThan': '*', 'versionType': 'custom'}], 'defaultStatus': 'affected'}, {'vendor': 'NETGEAR', 'product': 'RAXE500', 'versions': [{'status': 'affected', 'version': '0', 'lessThan': 'V1.2.14.114', 'versionType': 'custom'}], 'defaultStatus': 'unaffected'}, {'vendor': 'NETGEAR', 'product': 'XR1000', 'versions': [{'status': 'affected', 'version': '0', 'lessThan': 'V1.1.0.22', 'versionType': 'custom'}], 'defaultStatus': 'unaffected'}, {'vendor': 'NETGEAR', 'product': 'XR1000v2', 'versions': [{'status': 'affected', 'version': '0', 'lessThan': 'V1.1.0.22', 'versionType': 'custom'}], 'defaultStatus': 'unaffected'}] Added Description A stack-based buffer overflow vulnerability affects the listed NETGEAR models allowing an authenticated admin user to make unauthorized modification to the router's software and functionality. Added CVSS V4.0 AV:A/AC:H/AT:N/PR:H/UI:N/VC:N/VI:H/VA:N/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:Y/R:U/V:D/RE:L/U:Amber Added CWE CWE-121 Added Reference https://www.netgear.com/support/product/r7000/ Added Reference https://www.netgear.com/support/product/rax20/ Added Reference https://www.netgear.com/support/product/rax35v2/ Added Reference https://www.netgear.com/support/product/rax41/ Added Reference https://www.netgear.com/support/product/rax41v2/ Added Reference https://www.netgear.com/support/product/rax42/ Added Reference https://www.netgear.com/support/product/rax42v2/ Added Reference https://www.netgear.com/support/product/rax43/ Added Reference https://www.netgear.com/support/product/rax43v2/ Added Reference https://www.netgear.com/support/product/rax45/ Added Reference https://www.netgear.com/support/product/rax49s/ Added Reference https://www.netgear.com/support/product/rax50/ Added Reference https://www.netgear.com/support/product/rax50s/ Added Reference https://www.netgear.com/support/product/rax50v2/ Added Reference https://www.netgear.com/support/product/rax54sv2/ Added Reference https://www.netgear.com/support/product/raxe450/ Added Reference https://www.netgear.com/support/product/raxe500/ Added Reference https://www.netgear.com/support/product/xr1000/ Added Reference https://www.netgear.com/support/product/xr1000v2/
EPSS is a daily estimate of the probability of exploitation activity
being observed over the next 30 days. Following chart shows the EPSS
score history of the vulnerability.