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Findings

CVE-2023-20118

Cisco Small Business RV Series Routers Command Injection Vulnerability

Published Apr 13, 2023 · updated Jun 16, 2026 · cisco rv016 firmware

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. {{value}} ["%7b%7bvalue%7d%7d"])}]]

Timeline

Detection, updates, and resolution for this record.

  1. Apr 13, 2023 · Catalog

    Detected

    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 HT

  2. Mar 3, 2025 · CISA KEV

    Known exploited

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

  3. Mar 24, 2025 · CISA KEV

    Remediation due

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

  4. Jun 16, 2026 · Catalog

    Updated

    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 HT

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.

CISA due date Mar 24, 2025

Affected

  • cpe cisco/rv016 firmwareversion unspecified
  • cpe cisco/rv042 firmwareversion unspecified
  • cpe cisco/rv042g firmwareversion unspecified
  • cpe cisco/rv082 firmwareversion unspecified
  • cpe cisco/rv320 firmwareversion unspecified
  • cpe cisco/rv325 firmwareversion unspecified
  • vendor Cisco Small Business RV Series Routersversion unspecified

Sources

  • CISA KEVCVE-2023-20118

    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.

    cisa.gov
  • CVE.orgCVE-2023-20118

    Official CVE identifier

    cve.org
  • FIRST EPSSCVE-2023-20118

    30-day exploitation probability 54.1%

    first.org
  • NIST NVDCVE-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. This vulnerability is due to improper

    nvd.nist.gov

References