CVE-2024-20522 Cisco Small Business RV042, RV042G, RV320, and RV325 Denial of Service Vulnerabilities
An authenticated administrator can cause a denial of service on Cisco Small Business routers by sending crafted HTTP requests to the management interface.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2024-20522?
CVE-2024-20522 is a medium-severity denial of service vulnerability in Cisco Rv320 Firmware, published on 2 Oct 2024. 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 RV042, RV042G, RV320, and RV325 Routers could allow an authenticated, Administrator-level, remote attacker to cause an unexpected reload of an affected device, resulting in a denial of service (DoS) condition. To exploit this vulnerability, an attacker would need to have valid Administrator credentials on the affected device. This vulnerability is due to improper validation of user input that is in incoming HTTP packets. An attacker could exploit this vulnerability by sending a crafted HTTP request to the web-based management interface of the affected device. A successful exploit could allow the attacker to cause an unexpected reload of the device, resulting in a DoS condition.
Which versions are affected by CVE-2024-20522?
It affects 4 products.
Products include Cisco Rv042 Firmware, Cisco Rv042g Firmware, Cisco Rv320 Firmware, Cisco Rv325 Firmware.
How do I fix CVE-2024-20522?
No fix has been published for CVE-2024-20522 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2024-20522 being exploited?
There is no known exploitation of CVE-2024-20522 in the wild and no public exploit code.
Other vulnerabilities in Cisco Rv320 Firmware
- CVE-2024-20516 Cisco Small Business RV042, RV042G, RV320, and RV325 Denial of Service Vulnerabilities
- CVE-2024-20517 Cisco Small Business RV042, RV042G, RV320, and RV325 Denial of Service Vulnerabilities
- CVE-2024-20523 Cisco Small Business RV042, RV042G, RV320, and RV325 Denial of Service Vulnerabilities
- CVE-2024-20524 Cisco Small Business RV042, RV042G, RV320, and RV325 Denial of Service Vulnerabilities
- CVE-2024-20518 Cisco Small Business RV042, RV042G, RV320, and RV325 Remote Command Execution Vulnerabilities
Sources
Also known as GHSA-3753-r5q9-x6fx.