CSIRTS // UNIFIED SECURITY ADVISORY FEEDSYS ● ONLINE · POWERED BY INTELFUSIONS.COM

← Back to feed

CVE-2022-20708: Cisco Small Business RV Series Routers Stack-based Buffer Overflow Vulnerability

criticalknown exploitedCVE-2022-20708
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation 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

vendor: Ciscoproduct: Small Business RV Series RoutersRemote code executionPrivilege escalationDenial of serviceOther
What
A vulnerability could allow an attacker to execute arbitrary code, elevate privileges, execute arbitrary commands, bypass authentication, or cause a denial of service.
Who is affected
Users of Cisco Small Business RV160, RV260, RV340, and RV345 Series Routers.
Urgency
Remediation is urgent due to active exploitation and critical severity.
Action
Update to the latest firmware version provided by Cisco.

AI-assisted analysis generated from the source advisory — verify against the original.

⚡ Watch Small Business RV Series Routers

Get an email when a new Small Business RV Series Routers advisory drops — max one per day, one-click unsubscribe.

Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2022-03-03
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2022-20708

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2022-20708coverage & exploitation statusNVD · CVE.org

Recent advisories for Cisco Small Business

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

More from CISA Known Exploited Vulnerabilities