CVE-2022-20708
Cisco Small Business RV Series Routers Stack-based Buffer Overflow Vulnerability
Cisco Small Business RV160, RV260, RV340, and RV345 Series RoutersNetwork & edge
CVSS
10.0CriticalExploit odds (EPSS)14.9%Chance of exploitation activity in the next 30 days, higher than 96% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
CISA required actionApply updates per vendor instructions. CISA KEV
What fixes it
No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.
Timeline
Description
A vulnerability 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, or cause a denial of service (DoS).
Text from CVE List
Affected versions 1
- Cisco Small Business RV Series Router Firmwareaffected: n/aCVE List
References 4
- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-smb-mult-vuln-KA9PK6DAdvisoryvia CVE List
- zerodayinitiative.com/advisories/ZDI-22-417/Advisoryvia CVE List
- nvd.nist.gov/vuln/detail/CVE-2022-20708Referencevia CISA KEV
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-20708Referencevia CVE List