On 2025-03-03, CISA added CVE-2023-20118 (Cisco Small Business RV Series Routers) to its Known Exploited Vulnerabilities (KEV) catalog [2]. The vulnerability is listed in the catalog as "Cisco Small Business RV Series Routers Command Injection Vulnerability" [2]. CISA requires applying mitigations in accordance with vendor instructions; see the full text below for specific requirements [2].
Backfill: this event became public on Mar 3, 2025 and we added it on Nov 10, 2026. It is not a new event.
CISA Adds Cisco Small Business RV Series Routers Vulnerability CVE-2023-20118 to Known Exploited Vulnerabilities Catalog
1 min read
- Disclosed
- Mar 3, 2025
- Published
- Nov 10, 2026
- Last updated
- Nov 8, 2026
- CVSS basis
- Our assessment
- 54.1%, higher than 99% of CVEs
- Exploitation and patch status
- ExploitedKEV
- Attack vector
- Vulnerability status
- Actor type
- Motivation
On this page
30-second summary
What happened
Who is affected
Industries mainly affected: Government, Cross-industry
What to do nowOur advice
CISA requires applying mitigations in accordance with vendor instructions; see the full text for specific requirements [2].
Timeline
Technical details
CISA KEV Listing
On 2025-03-03, CISA added CVE-2023-20118 to the Known Exploited Vulnerabilities () catalog for Cisco Small Business RV Series Routers [2].
Original Technical Description
Multiple Cisco Small Business RV Series Routers contains a command injection vulnerability in the web-based management interface. Successful exploitation could allow an authenticated, remote attacker to gain root-level privileges and access unauthorized data. [2]
Official Requirements
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. [2]
Individual Vulnerability Record
The U.S. National Vulnerability Database (NVD) provides an independent vulnerability record and description for CVE-2023-20118 [1].
References
Official / primary3
- [1]
“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. This vulnerability is due to improper validation of user i”
- [2]
This site aggregates public information and is not security consulting advice. Test remediation steps before applying.