Buffer overflow in Cisco Small Business Rv Series Router Firmware
CVE-2022-20708
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: 0.093 (92.9th 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)
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
Required action: Apply updates per vendor instructions.
Public proof-of-concept exploits
References
- 20220203 Cisco Small Business RV Series Routers Vulnerabilities (vendor-advisory, x_refsource_CISCO)
- www.zerodayinitiative.com/advisories/ZDI-22-417/ (x_refsource_MISC)
Frequently asked questions
- What is CVE-2022-20708?
- CVE-2022-20708 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-2022-20708?
- Critical severity. CVSS v3 base score is 10.0 out of 10.
- Is CVE-2022-20708 known to be exploited?
- Yes. CVE-2022-20708 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-03-03), indicating it is being actively exploited. 4 public proof-of-concept repositories are indexed.