What’s Vulnerable › Vulnerabilities

CVE-2022-20842: Cisco Small Business RV Series Routers Vulnerabilities

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-08-10 · updated 2026-06-17
• Weakness: CWE-120

Description

Multiple vulnerabilities in Cisco Small Business RV160, RV260, RV340, and RV345 Series Routers could allow an unauthenticated, remote attacker to execute arbitrary code or cause a denial of service (DoS) condition on an affected device. For more information about these vulnerabilities, see the Details section of this advisory.

Affected products

• Cisco Rv340 Firmware: before 1.0.03.28 — fixed in 1.0.03.28
• Cisco Rv340W Firmware: before 1.0.03.28 — fixed in 1.0.03.28
• Cisco Rv345 Firmware: before 1.0.03.28 — fixed in 1.0.03.28
• Cisco Rv345P Firmware: before 1.0.03.28 — fixed in 1.0.03.28

How to fix

Upgrade to a fixed version: Cisco Rv340 Firmware 1.0.03.28; Cisco Rv340W Firmware 1.0.03.28; Cisco Rv345 Firmware 1.0.03.28; Cisco Rv345P Firmware 1.0.03.28. Check the vendor advisory for mitigations.

References

• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sb-mult-vuln-CbVp4SUR
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sb-mult-vuln-CbVp4SUR

Get alerted when CVE-2022-20842 or the next vulnerability affects your stack