Actively exploited · Published Feb 10, 2022 · Assigned by cisco
CVE-2022-20701Cisco Small Business RV Series Routers Vulnerabilities
Critical 10.0 Exploited
In plain English
A critical-severity stack buffer overflow in Cisco Small Business RV Series Router Firmware from Cisco. Attackers are actively exploiting it in the wild (listed by CISA on March 3, 2022). The chance it is exploited in the next 30 days is estimated at 9.7% (higher than 96% of all known vulnerabilities). Apply updates per vendor instructions.
CISA guidance
Apply updates per vendor instructions.
Federal agencies must remediate by Mar 17, 2022.
Official 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 (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Cisco Small Business RV Series Router Firmware | n/a |
Weakness: CWE-121 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
References
- 20220203 Cisco Small Business RV Series Routers Vulnerabilities vendor-advisory, x_refsource_CISCO
- https://www.zerodayinitiative.com/advisories/ZDI-22-412/ x_refsource_MISC
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-20701 government-resource