Buffer overflow in Cisco Small Business Rv Series Router Firmware
CVE-2022-20709
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.038 (89.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 90th percentile — 89.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.038 · newest: 0.038 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-smb-mult… (vendor-advisory, Vendor Advisory)
- www.zerodayinitiative.com/advisories/ZDI-22-416/ (VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-20709?
- CVE-2022-20709 is a critical-severity vulnerability in Cisco Small Business Rv Series Router Firmware, classified under Stack-based Buffer Overflow. CVSS score: 10.0/10. Published 2022-02-10.
- How severe is CVE-2022-20709?
- Critical severity. CVSS v3 base score is 10.0 out of 10.
- Is CVE-2022-20709 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.