NETGEAR XR1000v2 input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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3.8$5k-$25k0.80+

Summaryinfo

A vulnerability, which was classified as problematic, has been found in NETGEAR RAX20, RAX35v2, RAX41, RAX41v2, RAX42, RAX42v2, RAX43, RAX43v2, RAX45, RAX49S, RAX50, RAX50S, RAX50v2, RAX54Sv2, RAX54v2, RAXE450, RAXE500, XR1000 and XR1000v2. Affected by this vulnerability is an unknown functionality. Performing a manipulation results in input validation. This vulnerability is cataloged as CVE-2026-11736. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability classified as problematic has been found in NETGEAR RAX20, RAX35v2, RAX41, RAX41v2, RAX42, RAX42v2, RAX43, RAX43v2, RAX45, RAX49S, RAX50, RAX50S, RAX50v2, RAX54Sv2, RAX54v2, RAXE450, RAXE500, XR1000 and XR1000v2. This affects an unknown functionality. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on integrity, and availability. The summary by CVE is:

A stack-based buffer overflow vulnerability affects certain NETGEAR models allowing an authenticated admin user to make unauthorized modification to router software and functionality.

It is possible to read the advisory at netgear.com. This vulnerability is uniquely identified as CVE-2026-11736 since 06/09/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. Additional levels of successful authentication are needed for exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 08/11/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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Vendor

Name

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.8
VulDB Meta Temp Score: 3.8

VulDB Base Score: 3.8
VulDB Temp Score: 3.8
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

06/09/2026 CVE reserved
08/11/2026 +63 days Advisory disclosed
08/11/2026 +0 days VulDB entry created
08/11/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: netgear.com

Advisory: netgear.com
Status: Confirmed

CVE: CVE-2026-11736 (🔒)
GCVE (CVE): GCVE-0-2026-11736
GCVE (VulDB): GCVE-100-388179

Entryinfo

Created: 08/11/2026 17:41
Changes: 08/11/2026 17:41 (51)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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