NETGEAR RAX54Sv2 buffer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.5$5k-$25k1.57

Summaryinfo

A vulnerability classified as problematic was found in NETGEAR MR70, MR90, MS70, MS90, RAX41, RAX41v2, RAX42, RAX42v2, RAX43, RAX43v2, RAX49S, RAX50, RAX50v2, RAX54S and RAX54Sv2. Affected is an unknown function. Such manipulation leads to buffer overflow. This vulnerability is listed as CVE-2026-11734. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability was found in NETGEAR MR70, MR90, MS70, MS90, RAX41, RAX41v2, RAX42, RAX42v2, RAX43, RAX43v2, RAX49S, RAX50, RAX50v2, RAX54S and RAX54Sv2. It has been rated as problematic. Affected by this issue is an unknown function. The manipulation with an unknown input leads to a buffer overflow vulnerability. Using CWE to declare the problem leads to CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. Impacted is availability. CVE summarizes:

A buffer overflow vulnerability in the listed NETGEAR models allows an authenticated admin user to cause the affected device to become temporarily unavailable.

The advisory is available at netgear.com. This vulnerability is handled as CVE-2026-11734 since 06/09/2026. The exploitation is known to be easy. The attack may be launched remotely. Additional levels of successful authentication are necessary for exploitation. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of 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.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.5
VulDB Meta Temp Score: 4.5

VulDB Base Score: 4.5
VulDB Temp Score: 4.5
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: Buffer overflow
CWE: CWE-120 / CWE-119
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-2026-11734 (🔒)
GCVE (CVE): GCVE-0-2026-11734
GCVE (VulDB): GCVE-100-388178

Entryinfo

Created: 08/11/2026 17:40
Changes: 08/11/2026 17:40 (51)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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