Stack-based buffer overflow vulnerability in some NETGEAR Nighthawk routers
Priority LOW 12CWE-20Published · Updated
Key facts
- Attack vector
- Adjacent network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- High
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- None · High · None
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA.
Summary
A stack-based buffer overflow vulnerability affects certain NETGEAR models allowing an authenticated admin user to make unauthorized modification to router software and functionality.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00768 55th percentileScored 2026-11-07
Fix Fixed RAX35v2 (NETGEAR): V1.0.16.132RAX41v2 (NETGEAR): V1.1.4.28+11 more products
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
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 | RAX20 | all versions | — | No fix listed | CNA |
| NETGEAR | RAX35v2 | before V1.0.16.132 | V1.0.16.132 | Patch available | CNA |
| NETGEAR | RAX41 | all versions | — | No fix listed | CNA |
| NETGEAR | RAX41v2 | before V1.1.4.28 | V1.1.4.28 | Patch available | CNA |
| NETGEAR | RAX42 | all versions | — | No fix listed | CNA |
| NETGEAR | RAX42v2 | before V1.1.4.28 | V1.1.4.28 | Patch available | CNA |
| NETGEAR | RAX43 | before V1.0.16.132 | V1.0.16.132 | Patch available | CNA |
| NETGEAR | RAX43v2 | before V1.1.4.28 | V1.1.4.28 | Patch available | CNA |
| NETGEAR | RAX45 | all versions | — | No fix listed | CNA |
| NETGEAR | RAX49S | before V1.1.4.28 | V1.1.4.28 | Patch available | CNA |
| NETGEAR | RAX50 | before V1.0.16.132 | V1.0.16.132 | Patch available | CNA |
| NETGEAR | RAX50S | all versions | — | No fix listed | CNA |
| NETGEAR | RAX50v2 | before V1.1.4.28 | V1.1.4.28 | Patch available | CNA |
| NETGEAR | RAX54Sv2 | before V1.1.4.28 | V1.1.4.28 | Patch available | CNA |
| NETGEAR | RAX54v2 | before V1.1.4.28 | V1.1.4.28 | Patch available | CNA |
| NETGEAR | RAXE450 | all versions | — | No fix listed | CNA |
| NETGEAR | RAXE500 | before V1.2.14.114 | V1.2.14.114 | Patch available | CNA |
| NETGEAR | XR1000 | before V1.1.0.22 | V1.1.0.22 | Patch available | CNA |
| NETGEAR | XR1000v2 | before V1.1.0.22 | V1.1.0.22 | Patch available | CNA |
- RAX20 VendorNETGEAR Affected all versions Fixed in — No fix listed CNA
- RAX35v2 VendorNETGEAR Affected before V1.0.16.132 Fixed in V1.0.16.132 Patch available CNA
- RAX41 VendorNETGEAR Affected all versions Fixed in — No fix listed CNA
- RAX41v2 VendorNETGEAR Affected before V1.1.4.28 Fixed in V1.1.4.28 Patch available CNA
- RAX42 VendorNETGEAR Affected all versions Fixed in — No fix listed CNA
- RAX42v2 VendorNETGEAR Affected before V1.1.4.28 Fixed in V1.1.4.28 Patch available CNA
- RAX43 VendorNETGEAR Affected before V1.0.16.132 Fixed in V1.0.16.132 Patch available CNA
- RAX43v2 VendorNETGEAR Affected before V1.1.4.28 Fixed in V1.1.4.28 Patch available CNA
- RAX45 VendorNETGEAR Affected all versions Fixed in — No fix listed CNA
- RAX49S VendorNETGEAR Affected before V1.1.4.28 Fixed in V1.1.4.28 Patch available CNA
- RAX50 VendorNETGEAR Affected before V1.0.16.132 Fixed in V1.0.16.132 Patch available CNA
- RAX50S VendorNETGEAR Affected all versions Fixed in — No fix listed CNA
- RAX50v2 VendorNETGEAR Affected before V1.1.4.28 Fixed in V1.1.4.28 Patch available CNA
- RAX54Sv2 VendorNETGEAR Affected before V1.1.4.28 Fixed in V1.1.4.28 Patch available CNA
- RAX54v2 VendorNETGEAR Affected before V1.1.4.28 Fixed in V1.1.4.28 Patch available CNA
- RAXE450 VendorNETGEAR Affected all versions Fixed in — No fix listed CNA
- RAXE500 VendorNETGEAR Affected before V1.2.14.114 Fixed in V1.2.14.114 Patch available CNA
- XR1000 VendorNETGEAR Affected before V1.1.0.22 Fixed in V1.1.0.22 Patch available CNA
- XR1000v2 VendorNETGEAR Affected before V1.1.0.22 Fixed in V1.1.0.22 Patch available CNA
CPE configurations NVD · 38
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:netgear:rax20_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:rax20:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
| cpe:2.3:o:netgear:rax35v2_firmware:*:*:*:*:*:*:*:* | before 1.0.16.132 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:rax35v2:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
| cpe:2.3:o:netgear:rax41_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:rax41:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
| cpe:2.3:o:netgear:rax41v2_firmware:*:*:*:*:*:*:*:* | before 1.1.4.28 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:rax41v2:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
| cpe:2.3:o:netgear:rax42_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:rax42:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
- cpe:2.3:o:netgear:rax20_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:rax20:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
- cpe:2.3:o:netgear:rax35v2_firmware:*:*:*:*:*:*:*:* Versions before 1.0.16.132 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:rax35v2:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
- cpe:2.3:o:netgear:rax41_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:rax41:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
- cpe:2.3:o:netgear:rax41v2_firmware:*:*:*:*:*:*:*:* Versions before 1.1.4.28 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:rax41v2:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
- cpe:2.3:o:netgear:rax42_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:rax42:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
Show 28 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:netgear:rax42v2_firmware:*:*:*:*:*:*:*:* | before 1.1.4.28 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:rax42v2:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
| cpe:2.3:o:netgear:rax43_firmware:*:*:*:*:*:*:*:* | before 1.0.16.132 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:rax43:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
| cpe:2.3:o:netgear:rax43v2_firmware:*:*:*:*:*:*:*:* | before 1.1.4.28 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:rax43v2:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
| cpe:2.3:o:netgear:rax45_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:rax45:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
| cpe:2.3:o:netgear:rax49s_firmware:*:*:*:*:*:*:*:* | before 1.1.4.28 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:rax49s:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
| cpe:2.3:o:netgear:rax50_firmware:*:*:*:*:*:*:*:* | before 1.0.16.132 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:rax50:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
| cpe:2.3:o:netgear:rax50s_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:rax50s:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
| cpe:2.3:o:netgear:rax50v2_firmware:*:*:*:*:*:*:*:* | before 1.1.4.28 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:rax50v2:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
| cpe:2.3:o:netgear:rax54sv2_firmware:*:*:*:*:*:*:*:* | before 1.1.4.28 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:rax54sv2:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
| cpe:2.3:o:netgear:rax54v2_firmware:*:*:*:*:*:*:*:* | before 1.1.4.28 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:rax54v2:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
| cpe:2.3:o:netgear:raxe450_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:raxe450:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
| cpe:2.3:o:netgear:raxe500_firmware:*:*:*:*:*:*:*:* | before 1.2.14.114 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:raxe500:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
| cpe:2.3:o:netgear:xr1000_firmware:*:*:*:*:*:*:*:* | before 1.1.0.22 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:xr1000:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
| cpe:2.3:o:netgear:xr1000v2_firmware:*:*:*:*:*:*:*:* | before 1.1.0.22 | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:xr1000v2:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
- cpe:2.3:o:netgear:rax42v2_firmware:*:*:*:*:*:*:*:* Versions before 1.1.4.28 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:rax42v2:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
- cpe:2.3:o:netgear:rax43_firmware:*:*:*:*:*:*:*:* Versions before 1.0.16.132 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:rax43:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
- cpe:2.3:o:netgear:rax43v2_firmware:*:*:*:*:*:*:*:* Versions before 1.1.4.28 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:rax43v2:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
- cpe:2.3:o:netgear:rax45_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:rax45:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
- cpe:2.3:o:netgear:rax49s_firmware:*:*:*:*:*:*:*:* Versions before 1.1.4.28 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:rax49s:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
- cpe:2.3:o:netgear:rax50_firmware:*:*:*:*:*:*:*:* Versions before 1.0.16.132 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:rax50:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
- cpe:2.3:o:netgear:rax50s_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:rax50s:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
- cpe:2.3:o:netgear:rax50v2_firmware:*:*:*:*:*:*:*:* Versions before 1.1.4.28 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:rax50v2:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
- cpe:2.3:o:netgear:rax54sv2_firmware:*:*:*:*:*:*:*:* Versions before 1.1.4.28 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:rax54sv2:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
- cpe:2.3:o:netgear:rax54v2_firmware:*:*:*:*:*:*:*:* Versions before 1.1.4.28 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:rax54v2:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
- cpe:2.3:o:netgear:raxe450_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:raxe450:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
- cpe:2.3:o:netgear:raxe500_firmware:*:*:*:*:*:*:*:* Versions before 1.2.14.114 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:raxe500:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
- cpe:2.3:o:netgear:xr1000_firmware:*:*:*:*:*:*:*:* Versions before 1.1.0.22 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:xr1000:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
- cpe:2.3:o:netgear:xr1000v2_firmware:*:*:*:*:*:*:*:* Versions before 1.1.0.22 Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:xr1000v2:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
Remediation
- Fix · CNA RAX35v2 (NETGEAR) Fixed in V1.0.16.132
- Fix · CNA RAX41v2 (NETGEAR) Fixed in V1.1.4.28
- Fix · CNA RAX42v2 (NETGEAR) Fixed in V1.1.4.28
- Fix · CNA RAX43 (NETGEAR) Fixed in V1.0.16.132
- Fix · CNA RAX43v2 (NETGEAR) Fixed in V1.1.4.28
- Fix · CNA RAX49S (NETGEAR) Fixed in V1.1.4.28
- Fix · CNA RAX50 (NETGEAR) Fixed in V1.0.16.132
- Fix · CNA RAX50v2 (NETGEAR) Fixed in V1.1.4.28
- Fix · CNA RAX54Sv2 (NETGEAR) Fixed in V1.1.4.28
- Fix · CNA RAX54v2 (NETGEAR) Fixed in V1.1.4.28
- Fix · CNA RAXE500 (NETGEAR) Fixed in V1.2.14.114
- Fix · CNA XR1000 (NETGEAR) Fixed in V1.1.0.22
- Fix · CNA XR1000v2 (NETGEAR) Fixed in V1.1.0.22
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Advisory ·
NETGEAR RAX20, RAX35v2 and 17 more products — kb.netgear.com/000070887/August-2026-NETGEAR-Security-Advis…
8 records Highest priority Priority LOW 8 LOW
Other records, highest priority first
- TI-2026-10197 Command injection vulnerability in certain NETGEAR Nighthawk and Orbi routersPriority LOW 29
- TI-2026-10138 Command injection vulnerability in some NETGEAR Nighthawk devicesPriority LOW 29
- TI-2026-10137 Insufficient input validation in certain NETGEAR Nighthawk routers allows administrators to tamper with the device.Priority LOW 20
Timeline
- 2026-10-02 Threatist record created from CVE-2026-11736
- 2026-10-03 Alias added: GHSA-rxvc-mxwf-46c8
- 2026-10-25 EPSS moved to the 50th–90th percentile
References
Patch 16
- https://www.netgear.com/support/product/rax41v2/
- https://www.netgear.com/support/product/rax42/
- https://www.netgear.com/support/product/rax43v2/
- https://www.netgear.com/support/product/rax45/
- https://www.netgear.com/support/product/rax42v2/
- https://www.netgear.com/support/product/rax35v2/
- https://www.netgear.com/support/product/rax49s/
- https://www.netgear.com/support/product/rax50/
- https://www.netgear.com/support/product/rax54sv2/
- https://www.netgear.com/support/product/rax50s/
- https://www.netgear.com/support/product/rax43/
- https://www.netgear.com/support/product/raxe500/
- https://www.netgear.com/support/product/xr1000/
- https://www.netgear.com/support/product/rax50v2/
- https://www.netgear.com/support/product/xr1000v2/
- https://kb.netgear.com/000070887/August-2026-NETGEAR-Security-Advisory
More NETGEAR Rax20 Firmware vulnerabilities
- TI-2021-20709 Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. CVSS 3.1CRITICAL 9.8
- TI-2021-20699 Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. CVSS 3.1CRITICAL 9.8
- TI-2021-13978 Stack-based buffer overflow in NETGEAR R6400v2 CVSS 3.1HIGH 8.8
- TI-2021-20708 Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. CVSS 3.1CRITICAL 9.8
- TI-2021-20707 Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. CVSS 3.1CRITICAL 9.8
- TI-2021-20704 Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. CVSS 3.1CRITICAL 9.8
Sources
- CVE-2026-11736 · CVE Program
- CVE-2026-11736 · NVD
- FIRST EPSS
- GHSA-rxvc-mxwf-46c8 · 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