CVE-2020-36109
CRITICAL
9.8
CVSS Score
Published: February 1, 2021 at 01:14 PM UTC
Updated: June 17, 2026 at 03:14 AM UTC
2 products affected across 1 vendorRt AX86U FirmwareRt-Ax86U
Using N/A by N/A?
Get instant alerts when new vulnerabilities affect N/A - before attackers find them.
Real-time alertsTrack your software stackFree plan available
Severity
CRITICAL9.8
Exploit prediction
EPSS 4%
Description
ASUS RT-AX86U router firmware below version under 9.0.0.4_386 has a buffer overflow in the blocking_request.cgi function of the httpd module that can cause code execution when an attacker constructs malicious data.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 9.0.0.4_386
Affected range stops below 9.0.0.4_386, so it looks safe — our inference, not a vendor statement
asus-rt-ax86u (same device)
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (1)
x_refsource_MISCVendor Advisory
Source: [email protected]
https://www.asus.com/Static_WebPage/ASUS-Product-Security-Advisory/CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-120
Get alerted
Stop reading CVE feeds looking for your own stack
Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.
Free plan, no card