Live › vulnerability › CVE-2023-20118
Go to dashboardMultiple Cisco Small Business RV Series routers have a command injection flaw in the web management interface. An authenticated remote attacker can run commands as root and reach unauthorized data.
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-10-23 19:11 UTC, 3h before NVD. All times on this page are UTC.
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
| Product | Ecosystem | Affected | Fixed in |
|---|---|---|---|
| Cisco Small Business RV Series Routers | vendor | – | – |
| cisco rv016 firmware | vendor | – | – |
| cisco rv042 firmware | vendor | – | – |
| cisco rv042g firmware | vendor | – | – |
| cisco rv082 firmware | vendor | – | – |
| cisco rv320 firmware | vendor | – | – |
| cisco rv325 firmware | vendor | – | – |
Unknown from the sources.
Apply the mitigations in Cisco's vendor advisory, or discontinue use of the device if no mitigation is available (per CISA KEV required action).
Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
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 input within incoming HTTP packets. An attacker could exploit this vulnerability by sending a crafted HTTP request to the web-based management interface. A successful exploit could allow the attacker to gain root-level privileges and access unauthorized data. To exploit this vulnerability, an attacker would need to have valid administrative credentials on the affected device.
Cisco has not and will not release software updates that address this vulnerability. However, administrators may disable the affected feature as described in the Workarounds ["#workarounds"] section.
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