CVE-2021-34730

🗓️ 18 Aug 2021 19:40:27Reported by ciscoType

cve🔗 web.nvd.nist.gov📰️ 10 Media mentions👁 156 Views

A vulnerability in the Universal Plug-and-Play (UPnP) service of Cisco Small Business RV routers allows unauthenticated remote attackers to execute arbitrary code or cause DoS

Reporter	Title	Published	Views	Family All 14
Information Security Automation	Security News: Exchange ProxyShell, Zoom RCE, Citrix Canceled PT Acknowledgments, Cisco No Patch Router RCEs	31 Aug 202123:16	–	avleonov
BDU FSTEC	The vulnerability of the Universal Plug-and-Play service of the Cisco RV110W Wireless-N VPN Firewall, as well as the Cisco RV130 VPN Routers, Cisco RV130W Wireless-N Multifunction VPN Router, and Cisco RV215W Wireless-N VPN Routers, allows a intruder to execute arbitrary code.	23 Aug 202100:00	–	bdu_fstec
Circl	CVE-2021-34730	19 Aug 202100:17	–	circl
Cisco	Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers Remote Command Execution and Denial of Service Vulnerability	18 Aug 202116:00	–	cisco
CNNVD	Cisco Small Business 缓冲区错误漏洞	18 Aug 202100:00	–	cnnvd
Cvelist	CVE-2021-34730 Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers Remote Command Execution and Denial of Service Vulnerability	18 Aug 202119:40	–	cvelist
Malwarebytes	Cisco Small Business routers vulnerable to remote attacks, won’t get a patch	19 Aug 202120:29	–	malwarebytes
NVD	CVE-2021-34730	18 Aug 202120:15	–	nvd
Prion	Input validation	18 Aug 202120:15	–	prion
Positive Technologies	PT-2021-3838 · Cisco · Cisco Small Business Rv130W +3	18 Aug 202100:00	–	ptsecurity

NVD

Node

cisco application_extension_platformMatch1.0.3.55

Node

cisco rv110w_wireless-n_vpn_firewall_firmwareMatch-

AND

cisco rv110w_wireless-n_vpn_firewallMatch-

Node

cisco rv130_vpn_router_firmwareMatch-

AND

cisco rv130_vpn_routerMatch-

Node

cisco rv130w_wireless-n_multifunction_vpn_router_firmwareMatch-

AND

cisco rv130w_wireless-n_multifunction_vpn_routerMatch-

Node

cisco rv215w_wireless-n_vpn_router_firmwareMatch-

AND

cisco rv215w_wireless-n_vpn_routerMatch-

[
  {
    "product": "Cisco Small Business RV Series Router Firmware",
    "vendor": "Cisco",
    "versions": [
      {
        "status": "affected",
        "version": "n/a"
      }
    ]
  }
]

Source	Link
tools	www.tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cisco-sb-rv-overflow-htpymMB5

17 Jun 2026 03:56Current

9.1High risk

Vulners AI Score9.1

CVSS 3.19.8

CVSS 210

EPSS0.13578

SSVC