CVE-2019-1652 Cisco Small Business Routers Improper Input Validation

Exploited in the wild High 7.2 Published Updated

Authenticated administrators can execute arbitrary root commands on Cisco RV320/RV325 routers via malicious HTTP POST requests.

Exploited in the wild
Since 3 Mar 2022
Login needed
An administrator
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2019-1652?

CVE-2019-1652 is a high-severity command injection vulnerability in Cisco Rv320 Firmware, published on 24 Jan 2019. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

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.

Weakness: CWE-78, CWE-20

Which versions are affected by CVE-2019-1652?

It affects 2 products.

Products include Cisco Rv320 Firmware, Cisco Rv325 Firmware.

How do I fix CVE-2019-1652?

No fix has been published for CVE-2019-1652 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 17 Mar 2022.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2019-1652 being exploited?

Yes. Attackers have exploited CVE-2019-1652 in the wild since at least 3 Mar 2022.

Public exploit code: 1 Metasploit module, 2 Exploit-DB entries and 1 proofs of concept on GitHub.

All Cisco Rv320 Firmware vulnerabilities

Sources

Also known as GHSA-73jm-6x85-hwg5.

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