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Exploitation reportedNot in CISA KEV yetFix available

CVE-2021-1472

Exploitation reported by one source. First attested on 2026-07-30 by GCVE · kevintel.

  • Published2021-04-08
  • Fixed in1.0.01.03
  • WeaknessCWE-119 · CWE-287

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

Multiple vulnerabilities exist in the web-based management interface of Cisco Small Business RV Series Routers. A remote attacker could execute arbitrary commands or bypass authentication and upload files on an affected device. For more information about these vulnerabilities, see the Details section of this advisory.

Timeline

dates in UTC
  1. 2021-04-0804:15CVE publishedNVD
  2. 2026-07-3015:50Listed as exploited by GCVEGCVE
  3. 2026-07-3015:50Exploitation first reportedGCVE

Observed activity

isMalicious corpus · updated 2026-11-04 09:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2021-1472?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2021-1472?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Cisco rv160 firmwareversion to verify
BranchAffectedFixed in
1.0< 1.0.01.031.0.01.03
Cisco rv160w firmwareversion to verify
BranchAffectedFixed in
1.0< 1.0.01.031.0.01.03
Cisco rv260 firmwareversion to verify
BranchAffectedFixed in
1.0< 1.0.01.031.0.01.03

6 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Products declared by the CNA1 product

As cisco, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

  • Cisco Small Business RV Series Router Firmware

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2021-04-20

Fix

  1. Update Cisco rv160 firmware to 1.0.01.03

Advisories and patches

Detection

read 2026-11-03 22:42 UTC
Nuclei template
available
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub
Metasploit modules
1 moduleexploit/linux/http/cisco_rv_series_authbypass_and_rcerank: excellentModule metadata: Metasploit Framework, © Rapid7, Inc., BSD-3-Clause.
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2021-04-08
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-9f7f-qvqp-2hf3

Frequently asked questions

What is CVE-2021-1472?

Multiple vulnerabilities exist in the web-based management interface of Cisco Small Business RV Series Routers. A remote attacker could execute arbitrary commands or bypass authentication and upload files on an affected device. For more information about these vulnerabilities, see the Details section of this advisory.

Is CVE-2021-1472 actively exploited?

A proof-of-concept exploit exists for CVE-2021-1472, but active exploitation has not been confirmed at this time.

What is the CVSS score for CVE-2021-1472?

CVE-2021-1472 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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Sources for this record