Buffer overflow in Cisco Small Business Rv Series Router Firmware

CVE-2022-20753

A vulnerability in web-based management interface of Cisco Small Business RV340 and RV345 Routers could allow an authenticated, remote attacker to execute arbitrary code on an affected device. This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by sending malicious input to an affected device. A successful exploit could allow the attacker to execute remote code on the affected device. To exploit this vulnerability, an attacker would need to have valid Administrator credentials on the affected device.

Vulnerability class: Buffer Overflow

EPSS: 0.021 (79.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2022-20753?
CVE-2022-20753 is a medium-severity vulnerability in Cisco Small Business Rv Series Router Firmware, classified under Stack-based Buffer Overflow. CVSS score: 4.7/10. Published 2022-05-04.
How severe is CVE-2022-20753?
Medium severity. CVSS v3 base score is 4.7 out of 10.