Vulnerability · Published Feb 10, 2022 · Assigned by cisco

CVE-2022-20711Cisco Small Business RV Series Routers Vulnerabilities

Critical 10.0

In plain English

A critical-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 4.9% (higher than 92% of all known vulnerabilities).

Severity (CVSS 3.1)10.0Critical

Exploit odds (30 days)4.9%top 7.8% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

Multiple vulnerabilities in Cisco Small Business RV160, RV260, RV340, and RV345 Series Routers could allow an attacker to do any of the following: Execute arbitrary code Elevate privileges Execute arbitrary commands Bypass authentication and authorization protections Fetch and run unsigned software Cause denial of service (DoS) For more information about these vulnerabilities, see the Details section of this advisory.

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:N/UI:N/S:C/C:H/I:H/A:H

References

20220203 Cisco Small Business RV Series Routers Vulnerabilities vendor-advisory, x_refsource_CISCO
https://www.zerodayinitiative.com/advisories/ZDI-22-416/ x_refsource_MISC