Rv340 FirmwareOperating system · Cisco

CVE-2022-20706

HIGH · 8.1 CVSS v3.1 Published 2022-02-10
Fix available
A fix is available. Upgrade to after 1.0.03.24 or later.
See remediation →
90/100
Remediation priority · Urgent
Remotely reachable No privileges Zero-click

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
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.

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis · moderate confidence

Multiple vulnerabilities in Cisco Small Business RV160, RV260, RV340, and RV345 Series Routers allow remote attackers to execute arbitrary code, elevate privileges, execute arbitrary commands, bypass authentication and authorization protections, fetch and run unsigned software, and cause denial of service.

MitigationApply Cisco's available firmware updates for the affected RV series routers; if patches are unavailable, restrict network access to management interfaces and monitor for indicators of compromise.

Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.

Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.

NVD · CPE data
Rv340 FirmwareOperating system
Affected:<= 1.0.03.24
Rv340w FirmwareOperating system
Affected:<= 1.0.03.24
Rv345 FirmwareOperating system
Affected:<= 1.0.03.24
Rv345p FirmwareOperating system
Affected:<= 1.0.03.24
Rv160 FirmwareOperating system
Affected:<= 1.0.01.05
Rv160w FirmwareOperating system
Affected:<= 1.0.01.05
Rv260 FirmwareOperating system
Affected:<= 1.0.01.05
Rv260p FirmwareOperating system
Affected:<= 1.0.01.05

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.

dbcve checks

Work through these to decide whether this CVE applies to you.

  1. Identify the router model
    Locate the model number on the router physical label or access the web interface/CLI and run 'show version' to identify if the device is an RV160, RV260, RV340, or RV345 series router
    Affected if The device is a Cisco RV160, RV160w, RV260, RV260p, RV340, RV340w, RV345, or RV345p router
  2. Check the installed firmware version
    Access the router's web management interface under Administration > Firmware or use the CLI command 'show version' to retrieve the current firmware version string
    Affected if The firmware version is at or below 1.0.03.24 for RV340/RV340w/RV345/RV345p, or at or below 1.0.01.05 for RV160/RV160w/RV260/RV260p
  3. Verify remote management is enabled
    In the web interface, navigate to Firewall > Remote Management or similar settings, or use the CLI 'show running-config | include remote' to see if remote administration access is permitted
    Affected if Remote management (HTTP/HTTPS/SSH) is enabled and accessible from untrusted networks, making the device remotely exploitable
  4. Check for suspicious user accounts or configuration changes
    In the web interface, review Administration > User Accounts for unauthorized accounts, and review the configuration backup for unexpected changes to NAT, firewall rules, or management access settings
    Affected if Unexpected user accounts exist or configuration has been modified to allow unauthorized access

The device is affected if it is an RV160, RV260, RV340, or RV345 series router running firmware at or below the version thresholds AND remote management interfaces are accessible.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

From vendor data
Upgrade available Upgrade to a release after 1.0.03.24
Interim mitigation

Apply Cisco's available firmware updates for the affected RV series routers; if patches are unavailable, restrict network access to management interfaces and monitor for indicators of compromise.

Fix this in Rv340 Firmware Scoped from the published advisory
  • Consultation4.0 h
  • Implementation4.0 h
  • Testing2.0 h
  • Review / QA2.0 h
12.0 hours of engineering $2,180
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Scan for this in your stack

Free · runs locally
dbcve dependency scanner

Check whether your project pulls in CVE-2022-20706 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.

References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2022-20706 in production — separate from our analysis above.

No notes yet

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What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here
  • Verified mitigations, workarounds, and config changes
  • Version or environment caveats, and links to real fixes
  • No weaponised exploit code, or anything meant to cause harm
  • No spam, self-promotion, credentials, or personal data