SARA / Free Tools / CVE / CVE-2022-20700

CVE-2022-20700 — Cisco Small Business RV Series Routers Stack-based Buffer Overflow Vulnerability

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 ru

CVSS
10.0 CRITICAL
EPSS
21.75% (top 4.30%)
CWE
CWE-121
Published
2022-02-10T17:06:33.217Z
Last modified
2025-10-21T23:15:46.967Z
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CISA KEV — Actively Exploited
Added to KEV
2022-03-03
BOD 22-01 due
2022-03-17
Ransomware use
Unknown

01What is this vulnerability?

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…

02Affected products

VendorProductVersions
CiscoCisco Small Business RV Series Router Firmwaren/a

03Active exploitation status

Yes — actively exploited. Added to the CISA KEV catalog on 2022-03-03. Ransomware use: Unknown.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

Open in Sigma generator →

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

Want this in your SOAR or SIEM?
SARA's API returns EPSS, CVSS, KEV, and an analyst-grade summary in one call.
Read the API reference →