RCE in Cisco Small Business Rv Series Router Firmware

CVE-2023-20118

A vulnerability in the web-based management interface of Cisco Small Business Routers RV016, RV042, RV042G, RV082, RV320, and RV325 Routers could allow an authenticated, remote attacker to execute arbitrary commands on an affected device. …

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.039 (88.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N.

Affected products

Weakness classification (CWE)

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: .

Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-20118?
CVE-2023-20118 is a medium-severity vulnerability in Cisco Small Business Rv Series Router Firmware, classified under Command Injection. CVSS score: 6.5/10. Published 2023-04-05.
How severe is CVE-2023-20118?
Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2023-20118 known to be exploited?
Yes. CVE-2023-20118 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2025-03-03), indicating it is being actively exploited. 5 public proof-of-concept repositories are indexed.