CVE-2021-1473
MEDIUM EXPLOITED IN THE WILDCisco RV340 RV340W RV345 RV345P Firmware < 1.0.03.21 - Authentication Bypass and Remote Code Execution
Title source: llmExploitation Summary
CVE-2021-1473 has been observed exploited in the wild (reported by VulnCheck KEV, InTheWild.io).
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.
References (3)
Core 3
Core References
Vendor Advisory vendor-advisory
x_refsource_cisco
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sb-rv-bypass-inject-Rbhgvfdx
Mailing List, Third Party Advisory mailing-list
x_refsource_fulldisc
http://seclists.org/fulldisclosure/2021/Apr/39
Exploit, Third Party Advisory, VDB Entry x_refsource_misc
http://packetstormsecurity.com/files/162238/Cisco-RV-Authentication-Bypass-Code-Execution.html
Scores
CVSS v3
5.3
EPSS
0.9107
EPSS Percentile
99.7%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
yes
Technical Impact
partial
Details
VulnCheck KEV
2021-10-07
InTheWild.io
2024-09-18
CWE
CWE-119
CWE-78
Status
published
Products (4)
cisco/rv340_firmware
< 1.0.03.21
cisco/rv340w_firmware
< 1.0.03.21
cisco/rv345_firmware
< 1.0.03.21
cisco/rv345p_firmware
< 1.0.03.21
Published
Apr 08, 2021
Tracked Since
Feb 18, 2026