CVE-2023-20117Network attack vector

Root command execution via unvalidated management input

Published Apr 5, 2023 · Updated Oct 28, 2024

Command injection in Cisco Small Business RV320 and RV325 routers allows remote authenticated users to execute root commands through the web interface. The web-based management interface insufficiently validates administrator-supplied input before passing it to the underlying Linux command environment. Valid Administrator credentials are required; WAN reachability exists only when Remote Management is enabled, but LAN management remains exposed.

CVSS severity7.2
High
EPSS probability30.39%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

Command injection in Cisco Small Business RV320 and RV325 routers allows remote authenticated users to execute root commands through the web interface. The web-based management interface insufficiently validates administrator-supplied input before passing it to the underlying Linux command environment. Valid Administrator credentials are required; WAN reachability exists only when Remote Management is enabled, but LAN management remains exposed.

The record

CVE
CVE-2023-20117
Published
Apr 5, 2023
Updated
Oct 28, 2024
Vendor
ClamAV
Product
Cisco Small Business RV Series Router Firmware
Classifications
CWE-146, T1059.004
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Apr 5, 2023CVE publishedPublication date reported by the CVE source.
  2. Oct 28, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=n/a

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

ClamAV · Cisco Small Business RV Series Router Firmwareversion=n/a

Published CVSS scores

7.2CiscoCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-146Improper Neutralization of Expression/Command Delimiters
T1059.004Command and Scripting Interpreter: Unix Shell

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo