Buffer overflow in Cisco Small Business Rv Series Router Firmware
CVE-2022-20705
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 a…
Vulnerability class: Buffer Overflow
EPSS: 0.802 (99.1th percentile) — read the EPSS interpretation.
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.
Affected products
- Cisco Small Business Rv Series Router Firmware — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- 20220203 Cisco Small Business RV Series Routers Vulnerabilities (vendor-advisory)
- www.zerodayinitiative.com/advisories/ZDI-22-415/
- www.zerodayinitiative.com/advisories/ZDI-22-409/
- www.zerodayinitiative.com/advisories/ZDI-22-410/
- packetstormsecurity.com/files/170988/Cisco-RV-Series-Authentication-Bypass-Comm…
Frequently asked questions
- What is CVE-2022-20705?
- CVE-2022-20705 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-2022-20705?
- Critical severity. CVSS v3 base score is 10.0 out of 10.
- Is CVE-2022-20705 known to be exploited?
- 8 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.