Vulnerability · Published May 4, 2022 · Assigned by cisco

CVE-2022-20753Cisco Small Business RV Series Routers Remote Code Execution Vulnerability

Medium 4.7

In plain English

A medium-severity stack buffer overflow in Cisco Small Business RV Series Router Firmware from Cisco. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.2% (higher than 83% of all known vulnerabilities).

Severity (CVSS 3.1)4.7Medium

Exploit odds (30 days)2.2%top 17.2% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

Vendor	Product	Versions
Cisco	Cisco Small Business RV Series Router Firmware	n/a

Weakness: CWE-121 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L

References

20220504 Cisco Small Business RV Series Routers Remote Code Execution Vulnerability vendor-advisory, x_refsource_CISCO