CVE-2026-9216: CWE-121 Stack-based buffer overflow in NETGEAR RAX30
Description
CVE-2026-9216 is a stack-based buffer overflow vulnerability in the NETGEAR RAX30 router management UI. It allows a network-adjacent attacker with network access, such as WiFi credentials, to crash the router's management interface. This vulnerability does not affect the confidentiality or integrity of the device or its core services like WiFi connectivity. The impact is limited to the management UI crashing, without causing a denial of service to the router's main functions.
CVSS v4.0
1.2low
Affected software
NETGEAR
RAX30
NETGEAR
RAX35
NETGEAR
RAX38
NETGEAR
RAX40
NETGEAR
RAXE300
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-9216 is a CWE-121 stack-based buffer overflow vulnerability affecting NETGEAR RAX30 routers. Insufficient input validation in the router's management UI allows an attacker with network access to cause the UI to crash. The vulnerability requires network adjacency and does not impact the router's core services or data confidentiality and integrity. The CVSS 3.1 base score is 1.2, indicating low severity. No known exploits are reported in the wild. The affected versions include multiple firmware versions prior to 1.0.9.92, 1.0.10.72, 1.0.6.106, and 1.0.9.82.
Potential Impact
The vulnerability allows an attacker with network access to crash the router's management UI, causing temporary unavailability of the management interface. There is no impact on the confidentiality or integrity of data, nor on the availability of the router's core services such as WiFi connectivity.
Mitigation Recommendations
No official patch or fix information is provided in the vendor advisory. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since the vulnerability only affects the management UI and requires network access, restricting access to the management interface and monitoring for unusual crashes may help mitigate risk until a fix is available.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- NETGEAR
- Date Reserved
- 05/21/2026
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6aa0457eacd9273b49fbffe1
Added to database: 09/08/2026, 17:27:26 UTC
Last enriched: 10/13/2026, 19:11:04 UTC
Last updated: 10/24/2026, 08:45:13 UTC
Views: 86
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