Vulnerability identifier: #VU17195

Vulnerability risk: Low

CVSSv3.1: 6.9 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C]

CVE-ID: CVE-2019-1652

CWE-ID: CWE-77

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
Small Business RV325 Dual Gigabit WAN VPN Router
Hardware solutions / Routers & switches, VoIP, GSM, etc
Small Business RV320 Dual Gigabit WAN VPN Router
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor: Cisco Systems, Inc

Description

The vulnerability allows a remote authenticated attacker to execute arbitrary commands.

The vulnerability exists due to improper validation of user-supplied input. A remote attacker can send malicious HTTP POST requests to the web-based management interface and execute arbitrary commands on the underlying Linux shell as root.

Mitigation
Update the affected firmware to version 1.4.2.20.

Vulnerable software versions

Small Business RV325 Dual Gigabit WAN VPN Router: 1.4.2.15 - 1.4.2.19

Small Business RV320 Dual Gigabit WAN VPN Router: 1.4.2.15 - 1.4.2.19

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External links
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190123-rv-inject

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

Yes. This vulnerability is being exploited in the wild.