CVE-2020-3331

Cisco RV110W and RV215W Series Routers Arbitrary Code Execution Vulnerability

CRITICAL
9.8
CVSS Score
Published: July 16, 2020 at 05:20 PM UTC
Updated: June 17, 2026 at 03:17 AM UTC
4 products affected across 1 vendorRV215W Wireless N VPN Router FirmwareRV110W Wireless N VPN Firewall FirmwareRv215W Wireless-N Vpn Router

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Severity
CRITICAL9.8
Exploit prediction
EPSS 42%
SSVC
No known exploit

Description

A vulnerability in the web-based management interface of Cisco RV110W Wireless-N VPN Firewall and Cisco RV215W Wireless-N VPN Router could allow an unauthenticated, remote attacker to execute arbitrary code on an affected device. The vulnerability is due to improper validation of user-supplied input data by the web-based management interface. An attacker could exploit this vulnerability by sending crafted requests to a targeted device. A successful exploit could allow the attacker to execute arbitrary code with the privileges of the root user.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 1.2.2.8
Affected range stops below 1.2.2.8, so it looks safe — our inference, not a vendor statement
cisco-rv110w-wireless-n-vpn-firewall (same device)
v < 1.3.1.7
Affected range stops below 1.3.1.7, so it looks safe — our inference, not a vendor statement
cisco-rv215w-wireless-n-vpn-router (same device)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitAutomatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

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-119

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