CVE-2022-20703
Cisco Small Business RV Series Routers Stack-based Buffer Overflow Vulnerability
IN CISA KEV
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).
- Vendor
- Cisco
- Product
- Small Business RV160, RV260, RV340, and RV345 Series Routers
- CVSS
- No score recorded (no NVD record loaded for this entry)
- CWE
- CWE-347
- Published
- Not recorded
- NVD modified
- Not recorded
CISA KEV
- Date added
- 2022-03-03
- Due date
- 2022-03-17
- Ransomware use
- Unknown
- Required action
- Apply updates per vendor instructions.
EPSS
9.20% chance of exploitation in the next 30 days (percentile 95th)
FIRST EPSS, updated 17 Oct 2026. About EPSS
CVSS is severity, EPSS is likelihood, KEV means already exploited. EPSS is a statistical probability, not a certainty: a low score does not make a bug safe, and a high one does not prove it is being exploited.
Data last updated 18 Oct 2026. Sources: NVD API 2.0, CISA KEV catalog, FIRST EPSS. Links: NVD, CISA KEV. Metadata only. ThreatWire does not host exploit code.