RCE in Cisco Small Business Rv Series Router Firmware
CVE-2023-20026
A vulnerability in the web-based management interface of Cisco Small Business 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.
Vulnerability class: Command Injection (OS Command Injection)
EPSS: 0.013 (67.4th 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
- Cisco Small Business Rv Series Router Firmware — versions 1.0.00.29, 1.0.00.33, 1.0.01.16
- Cisco Rv016
- Cisco Rv016_firmware
- Cisco Rv042
- Cisco Rv042_firmware
- Cisco Rv042g
- Cisco Rv042g_firmware
- Cisco Rv082
- Cisco Rv082_firmware
Weakness classification (CWE)
Public proof-of-concept exploits
References
- psirt@cisco.com (Mitigation, Vendor Advisory)
Frequently asked questions
- What is CVE-2023-20026?
- CVE-2023-20026 is a medium-severity vulnerability in Cisco Small Business Rv Series Router Firmware, classified under Command Injection. CVSS score: 6.5/10. Published 2023-01-20.
- How severe is CVE-2023-20026?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2023-20026 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.