CVE-2022-20708: Cisco Small Business RV Series Routers Stack-based Buffer Overflow Vulnerability
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 |
| Date added to KEV | 2022-03-03 |
| Due date (BOD 22-01) | 2022-03-17 |
| Known ransomware campaign use | Unknown |
| CWE | CWE-121 |
| Required action | Apply updates per vendor instructions. |
What to do
- Identify every instance of Cisco Small Business RV160, RV260, RV340, and RV345 Series Routers in your environment (asset inventory, EDR, vulnerability scanner).
- Apply CISA's required action: Apply updates per vendor instructions.
- Federal civilian agencies must act by 2022-03-17 under BOD 22-01; other organizations can use the same date as a target.
- Check the vendor advisory and NVD entry linked below for affected versions, then record the fix in your change log.
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Sources
- NVD entry for CVE-2022-20708 (severity scores, if any, live there)
- CISA KEV catalog entry
- https://nvd.nist.gov/vuln/detail/CVE-2022-20708