Rv160w Wireless Ac Vpn Router FirmwareOperating system · Cisco
CVE-2021-1291
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 · uneditedMultiple vulnerabilities in the web-based management interface of Cisco Small Business RV160, RV160W, RV260, RV260P, and RV260W VPN Routers could allow an unauthenticated, remote attacker to execute arbitrary code as the root user on an affected device. These vulnerabilities exist because HTTP requests are not properly validated. An attacker could exploit these vulnerabilities by sending a crafted HTTP request to the web-based management interface of an affected device. A successful exploit could allow the attacker to remotely execute arbitrary code on the device.
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 · high confidenceMultiple input validation vulnerabilities in the web-based management interface of Cisco Small Business RV160/RV260 series routers allow unauthenticated remote attackers to send crafted HTTP requests that result in arbitrary code execution with root privileges.
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
Rv160w Wireless Ac Vpn Router FirmwareOperating system
< 1.0.01.02
Rv260 Vpn Router FirmwareOperating system
< 1.0.01.02
Rv260p Vpn Router With Poe FirmwareOperating system
< 1.0.01.02
Rv260w Wireless Ac Vpn Router FirmwareOperating system
< 1.0.01.02
Rv160 Vpn Router FirmwareOperating system
< 1.0.01.02CVSS 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
- Low
- Privileges
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/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 checksWork through these to decide whether this CVE applies to you.
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Identify router modelCheck the device label or log into the web-based management interface and look for the model number displayed on the login page or in the System Summary pageAffected if The router is a Cisco RV160, RV160w, RV260, RV260p, or RV260w model
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Check firmware versionLog into the web interface and navigate to Administration > Firmware Upgrade or use the CLI command 'show version' to retrieve the installed firmware versionAffected if The firmware version is lower than 1.0.01.02
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Verify web-based management is enabledIn the web interface, go to Administration > Management Access and confirm the HTTP/HTTPS management interface is enabledAffected if HTTP or HTTPS management access is enabled on the device
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Check if remote management is accessible from WANIn the web interface, go to Administration > Management Access and check if HTTP/HTTPS access is permitted from WAN/Outside interfacesAffected if HTTP or HTTPS access is allowed from WAN/remote sources
A user is affected if they are running any Cisco RV160/RV260 series router model with firmware version below 1.0.01.02 that has the web-based management interface enabled, particularly if it is accessible from untrusted networks.
Generated from the published advisory. Verify against your own configuration.
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.
dbcve · scoped1.0.01.02
Restrict access to the router's web-based management interface from untrusted networks; apply vendor-provided firmware patches when available; consider disabling remote management if not required.
Cisco Small Business RV series firmware version 1.0.01.02 or later
- 1. Identify the exact model number (RV160, RV160W, RV260, RV260P, or RV260W) of the Cisco Small Business VPN Router
- 2. Access the Cisco software download page at tools.cisco.com and locate the firmware downloads for the specific router model
- 3. Download firmware version 1.0.01.02 or later for your router model
- 4. Log in to the router's web-based management interface as an administrator
- 5. Navigate to the Administration > Firmware Upgrade (or similar) section
- 6. Upload the downloaded firmware file and apply the update
- 7. Wait for the router to reboot and verify the firmware version shows 1.0.01.02 or later
- 8. Confirm the web-based management interface is accessible and functioning normally
Generated from the published advisory — verify against the referenced sources before acting.
Fix this in Rv160w Wireless Ac Vpn Router Firmware
Scoped from the published advisory
- Consultation3.0 h
- Implementation6.0 h
- Testing3.0 h
- Review / QA2.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $3,984.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2021-1291 — 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 sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2021-1291 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
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