Stack-based buffer overflow in NETGEAR CAX30
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · CNA. Fix status from CNA. Impact type from CWE-121 and the CVSS impact.
Summary
NETGEAR CAX30 SSO Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR CAX30 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the sso binary. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-19058.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| NETGEAR | CAX30 | 1.4.10.8 | — | No fix listed | CNA |
- CAX30 VendorNETGEAR Affected 1.4.10.8 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-44445
- 2026-10-03 Alias added: GHSA-37cp-7rhh-2vcp
References
Advisory 2
More NETGEAR Cax30 Firmware vulnerabilities
- TI-2022-21422 OS command injection in NETGEAR CAX30S CVSS 3.0HIGH 8.8
- TI-2026-08096 Certain NETGEAR routers allow unauthenticated users to gain control of the router CVSS 4.0MEDIUM 5.2
Sources
- CVE-2023-44445 · CVE Program
- CVE-2023-44445 · NVD
- FIRST EPSS
- GHSA-37cp-7rhh-2vcp · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences