CVE-2022-20700
Actively exploited. CVE-2022-20700 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-03-03) — exploitation has been observed in the wild, and US federal agencies are required to remediate it under BOD 22-01. Treat patching as urgent.
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).
CSIRTS triage
- What
- A vulnerability in Cisco Small Business RV160, RV260, RV340, and RV345 Series Routers could allow an attacker to execute arbitrary code, elevate privileges, bypass authentication, or cause a denial of service.
- Who is affected
- Users of Cisco Small Business RV Series Routers are affected by this vulnerability.
- Urgency
- Remediation is urgent due to the critical nature of the vulnerability and confirmed exploitation.
- Action
- Update the firmware of the affected Cisco Small Business RV Series Routers.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Exploitation confirmedAlready exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 92% of all EPSS-scored CVEs.
Advisory coverage (1)
- criticalexploitedCVE-2022-20700: Cisco Small Business RV Series Routers Stack-based Buffer Overflow Vulnerabilitycisa-kev · 2022-03-03
External references
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[](https://www.csirts.com/cve/CVE-2022-20700)