Stack-based buffer overflow vulnerability in some NETGEAR Nighthawk routers
CVSS score
1.9
EPSS probability
%0.5
Risk score
0.0
Published
2 mo ago
Etkilenen ürün ve sürüm için yayımlanan güvenlik güncellemesini uygulayın.
Impact on My Inventory
Only the personal products you have added to your account are assessed; an organisation's inventory does not appear here.
Checking session…
Vulnerability description
DayBreach CVE AI Research
CVE-2026-11736 has vendor, distribution, patch and security-source records on file. We can compare them and prepare an explanation linked to the evidence.
A stack-based buffer overflow vulnerability affects certain NETGEAR models allowing an authenticated admin user to make unauthorized modification to router software and functionality.
IMPACT: Affected Products and Software
Affected Products
The following products are affected by CVE-2026-11736 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.
| ID | VENDOR | PRODUCT | ACTION |
|---|---|---|---|
| 1 | netgear | rax20 | View |
| 2 | netgear | rax35v2 | View |
| 3 | netgear | rax41 | View |
| 4 | netgear | rax41v2 | View |
| 5 | netgear | rax42 | View |
| 6 | netgear | rax42v2 | View |
| 7 | netgear | rax43 | View |
| 8 | netgear | rax43v2 | View |
| 9 | netgear | rax45 | View |
| 10 | netgear | rax49s | View |
| 11 | netgear | rax50 | View |
| 12 | netgear | rax50s | View |
| 13 | netgear | rax50v2 | View |
| 14 | netgear | rax54sv2 | View |
| 15 | netgear | RAX54v2 | View |
| 16 | netgear | raxe450 | View |
| 17 | netgear | raxe500 | View |
| 18 | netgear | xr1000 | View |
| 19 | netgear | xr1000v2 | View |
| 20 | netgear | rax20 firmware | View |
| 21 | netgear | rax20 | View |
| 22 | netgear | rax35v2 firmware | View |
| 23 | netgear | rax35v2 | View |
| 24 | netgear | rax41 firmware | View |
| 25 | netgear | rax41 | View |
| 26 | netgear | rax41v2 firmware | View |
| 27 | netgear | rax41v2 | View |
| 28 | netgear | rax42 firmware | View |
| 29 | netgear | rax42 | View |
| 30 | netgear | rax42v2 firmware | View |
| 31 | netgear | rax42v2 | View |
| 32 | netgear | rax43 firmware | View |
| 33 | netgear | rax43 | View |
| 34 | netgear | rax43v2 firmware | View |
| 35 | netgear | rax43v2 | View |
| 36 | netgear | rax45 firmware | View |
| 37 | netgear | rax45 | View |
| 38 | netgear | rax49s firmware | View |
| 39 | netgear | rax49s | View |
| 40 | netgear | rax50 firmware | View |
| 41 | netgear | rax50 | View |
| 42 | netgear | rax50s firmware | View |
| 43 | netgear | rax50s | View |
| 44 | netgear | rax50v2 firmware | View |
| 45 | netgear | rax50v2 | View |
| 46 | netgear | rax54sv2 firmware | View |
| 47 | netgear | rax54sv2 | View |
| 48 | netgear | rax54v2 firmware | View |
| 49 | netgear | RAX54v2 | View |
| 50 | netgear | raxe450 firmware | View |
| 51 | netgear | raxe450 | View |
| 52 | netgear | raxe500 firmware | View |
| 53 | netgear | raxe500 | View |
| 54 | netgear | xr1000 firmware | View |
| 55 | netgear | xr1000 | View |
| 56 | netgear | xr1000v2 firmware | View |
| 57 | netgear | xr1000v2 | View |
RED HAT CSAF/VEX: Product Impact Check
SCORING: CVSS from Multiple Sources
CVSS Scores
The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.
| SCORE | VERSION | SEVERITY | VECTOR | SOURCE |
|---|---|---|---|---|
| 4.9 | CVSS V31 | MEDIUM | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N | NVD |
| 1.9 | CVSS V4_0 | LOW | CVSS:4.0/AV:A/AC:H/AT:N/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/AU:N/R:U/V:D/RE:L/U:Amber | CVE CNA |
| 1.9 | CVSS V40 | LOW | CVSS:4.0/AV:A/AC:H/AT:N/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:N/R:U/V:D/RE:L/U:Amber | NVD |
Patch and Remediation Guide
Solution & Remediation Advisory
32 doğrulanmış yama veya düzeltilmiş sürüm kanıtı bulundu.
Public exploit and active exploitation status
Verified exploit intelligence
No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.
Weakness Classification and Attack Patterns (CWE & CAPEC)
CWE - Common Weakness Enumeration
While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-11736 is associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-11736 weaknesses.
Attack Vector and Accessibility
Official Sources and Advisories
Similar Vulnerabilities
OS command injection in Netgear R6200
Command injection in Netgear R6250
Insufficient input validation vulnerability exists in website blocking feature of certain NETGEAR RAX/CAX series models
Authentication Bypass Vulnerability in Certain NETGEAR RAX Series Models
Insufficient input validation vulnerability in NETGEAR R7300
Insufficient input validation vulnerability in NETGEAR R7300 router
Get this vulnerability through the API
Affected products, version ranges, exploitation status and patch information in a single request, with a free key.
curl -H "x-api-key: $DAYBREACH_API_KEY" \ "https://api.daybreach.dev/api/v1/intel/cves/CVE-2026-11736"