Assessment
Why it matters
CISA lists this vulnerability as known to be exploited; exploitation is confirmed; EPSS is 95.9%; technical severity is CVSS 7.2.
A vulnerability in the web-based management interface of Cisco Small Business RV320 and RV325 Dual Gigabit WAN VPN Routers could allow an authenticated, remote attacker with administrative privileges on an affected device to execute arbitrary commands. The vulnerability is due to improper validation of user-supplied input. An attacker could exploit this vulnerability by sending malicious HTTP POST requests to the web-based management interface of an affected device. A successful exploit could allow the attacker to execute arbitrary commands on the underlying Linux shell as root. Cisco has released firmware updates that address this vulnerability.
Who should care
- Teams operating Rv320 Firmware, Rv325 Firmware, Small Business RV320 and RV325 Dual Gigabit WAN VPN Routers
- Vulnerability and exposure management teams
- Security operations teams monitoring exploitation activity
Response plan
What I would do
- Confirm whether Rv320 Firmware, Rv325 Firmware, Small Business RV320 and RV325 Dual Gigabit WAN VPN Routers is present in the environment.
- Identify affected versions and establish whether vulnerable services are exposed or reachable.
- Cisco Security advisory Cisco Sa 20190123 Rv Inject
- Review relevant security telemetry for evidence of attempted or successful exploitation.
- Document the remediation decision and track it to verified completion.
Treatment intelligence
Remediation intelligence
Vendor sources are listed before government and third-party guidance. Confirm product applicability and change prerequisites before deployment.
Advisory
Technical details
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- CWE
- CWE-20
- Affected versions
- Cisco Rv320 Firmware (Start Including 1.4.2.15, End Excluding 1.4.2.22); Cisco Rv325 Firmware (Start Including 1.4.2.15, End Excluding 1.4.2.22); Cisco Small Business RV320 and RV325 Dual Gigabit WAN VPN Routers
- Fixed versions
- Cisco Rv320 Firmware (Fixed from 1.4.2.22); Cisco Rv325 Firmware (Fixed from 1.4.2.22)
- Published
- 24 January 2019
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
Signal timeline
- CVE published
- Added to CISA KEV
- Latest EPSS score: 95.9%
- Signal calculated at 82
External references
- CISA Government advisory CVE-2019-1652
- Exploit information from packetstormsecurity.com
- Packetstormsecurity Third-party advisory Cisco RV320 RV325 Unauthenticated Remote Code Execution
- Exploit information from seclists.org
- Securityfocus Third-party advisory 106728
- Exploit information from seclists.org
- Exploit information from www.exploit-db.com
- Exploit information from www.exploit-db.com