Known Exploited Vulnerability

CVE-2022-20699

Cisco Small Business RV Series Routers Stack-based Buffer Overflow Vulnerability

Past federal due date 33 public exploits Added 03 Mar 2022 Due 17 Mar 2022 · 1604 days ago
VendorCisco
ProductSmall Business RV160, RV260, RV340, and RV345 Series Routers
WeaknessCWE-785
RansomwareNone confirmed

What the flaw is

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).

Description as published by CISA. We have not independently reproduced it.

What CISA requires

Apply updates per vendor instructions.

This deadline is binding on US federal civilian agencies under BOD 22-01. It is not a legal deadline for anyone else, but it is a useful urgency signal — CISA sets it by how actively the flaw is being used, not by CVSS.

Public exploit code

33 public repositories referencing this CVE have been catalogued on GitHub. Treat this as a strong signal to prioritise patching, not as a verified working exploit — many such repositories are scanners, write-ups or forks rather than functional code.

Showing 8 of 33. Full list in the trickest/cve dataset.

Vendor advisories

Primary sources

Share

Was this page helpful?

If something here is wrong or out of date, tell us and we will check the source.

Other Cisco entries

See all

Source: CISA KEV catalog · last verified August 6, 2026. Rebuilt automatically twice a day.