CVE-2021-1414
mediumpriority · track · 26EPSS 0.019 · 79 %ileEURUUSEPSS · scored 2026-10-27
Multiple vulnerabilities in the web-based management interface of Cisco RV340, RV340W, RV345, and RV345P Dual WAN Gigabit VPN Routers could allow an authenticated, remote attacker to execute arbitrary code with elevated privileges equivalent to the web service process 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.
remediations
Vendor fix, mitigation, or workaround guidance, as published by each source.
A vendor fix is available.
- FixedCisco Small Business RV Series Router Firmwarecisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (10)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- cisco-sa-sb-rv34x-rce-8bfG2h6bCisco RV340, RV340W, RV345, and RV345P Dual WAN Gigabit VPN Routers Authenticated Remote Code Execution Vulnerabilities2021-04-07csaf · cisco_csafUS
Multiple vulnerabilities in the web-based management interface of Cisco RV340, RV340W, RV345, and RV345P Dual WAN Gigabit VPN Routers could allow an authenticated, remote attacker to execute arbitrary code with elevated privileges equivalent to the web service process 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. Cisco has released software updates that address these vulnerabilities. There are no workarounds that address these vulnerabilities.
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (8)
External citations — patches, advisories, analysis.
- https://nvd.nist.gov/vuln/detail/CVE-2021-1414cnnvd
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sb-rv34x-rce-8bfG2h6bcnnvd
- https://www.auscert.org.au/bulletins/ESB-2021.1164cnnvd
- https://www.zerodayinitiative.com/advisories/ZDI-21-559/cnnvd
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sb-rv34x-rce-8bfG2h6benisa_euvd
- https://www.zerodayinitiative.com/advisories/ZDI-21-559/enisa_euvd
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sb-rv34x-rce-8bfG2h6bVendor Advisorynvd
- https://www.zerodayinitiative.com/advisories/ZDI-21-559/Third Party AdvisoryVDB Entrynvd
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