What’s Vulnerable › Vulnerabilities
CVE-2022-20701: Cisco Small Business RV Series Routers Stack-based Buffer Overflow Vulnerability
- Severity: high (CVSS 7.8 v3.1)
- Exploited in the wild: yes — in CISA KEV since 2022-03-03
- EPSS: 9.7% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2022-02-10 · updated 2026-06-17
- Weakness: CWE-121
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
- Cisco Rv340 Firmware: through 1.0.03.24
- Cisco Rv340W Firmware: through 1.0.03.24
- Cisco Rv345 Firmware: through 1.0.03.24
- Cisco Rv345P Firmware: through 1.0.03.24
References
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-smb-mult-vuln-KA9PK6D
- https://www.zerodayinitiative.com/advisories/ZDI-22-412/
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-smb-mult-vuln-KA9PK6D
- https://www.zerodayinitiative.com/advisories/ZDI-22-412/
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-20701
Get alerted when CVE-2022-20701 or the next vulnerability affects your stack