CVE-2023-20118: Cisco Small Business RV Series Routers Command Injection Vulnerability

CVE-2023-20118 · Severity: critical · CVSS 7.2 · Exploited in the wild · Published 2025-03-03

A command injection vulnerability in the web-based management interface of Cisco Small Business RV Series routers allows an authenticated, remote attacker with administrative credentials to execute arbitrary commands. The flaw is caused by improper validation of user input in HTTP packets, potentially leading to root-level access and unauthorized data retrieval.

Vendors: Cisco.

Quick answers

Is CVE-2023-20118 exploited in the wild?
Yes. CVE-2023-20118 is known to be exploited in the wild, first recorded on 3 March 2025. Treat it as urgent.
How severe is CVE-2023-20118?
Critical severity, with a CVSS score of 7.2, published 3 March 2025.
Which products and versions are affected?
Cisco RV016; Cisco RV042; Cisco RV042G; Cisco RV082; and 2 more.
Is there a fix for CVE-2023-20118?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2023-20118 attacked?
It is attacked over the network, in a network appliance.
Am I affected by CVE-2023-20118?
Check whether you run Cisco Small Business RV Series Routers. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Affected products

  • Cisco RV016
  • Cisco RV042
  • Cisco RV042G
  • Cisco RV082
  • Cisco RV320
  • Cisco RV325

Timeline

  • 2023-05-17: disclosed: Original Cisco advisory date (implied by CVE year and vendor reference)
  • 2025-03-03: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
  • 2025-03-03: exploited: Confirmed exploited in the wild per CISA KEV entry

This page as Markdown. Free to reuse under CC BY 4.0 with a link back.