{"id":"CVE-2022-20705","published":"2022-02-10T17:06:29Z","modified":"2024-11-06T16:31:11Z","title":"Cisco Small Business RV Series Routers Vulnerabilities","vendor":"Cisco","product":"Cisco Small Business RV Series Router Firmware","tier":"core","eol":null,"description":{"text":"Multiple vulnerabilities in Cisco Small Business RV160, RV260, RV340, and RV345 Series Routers could allow an attacker to do any of the following: Execute arbitrary code Elevate privileges Execute arbitrary commands Bypass authentication and authorization protections Fetch and run unsigned software Cause denial of service (DoS) For more information about these vulnerabilities, see the Details section of this advisory.","provenance":"source","from":"CVE.org"},"summary":{"text":"Cisco Small Business RV Series Router Firmware contains multiple flaws, including a stack-based buffer overflow, affecting the RV160, RV260, RV340, and RV345 Series Routers. An attacker with network access can exploit these without authentication or user interaction to execute arbitrary code, elevate privileges, bypass authentication and authorization protections, fetch and run unsigned software, or cause denial of service.","provenance":"ai","model":"claude-haiku-5-5","generatedAt":"2026-10-29T07:11:42Z"},"cvss":{"score":10,"severity":"CRITICAL","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","provenance":"source","from":"CVE.org CNA"},"epss":{"score":0.80042,"percentile":0.99614,"date":"2026-10-29","provenance":"source"},"kev":null,"vulncheckKev":{"dateAdded":"2025-09-03","exploitedFirstSeen":"2025-09-03","ransomware":false,"evidence":[{"url":"https://hs-8813571.f.hubspotemail.net/hubfs/8813571/PERISCOPE_VULNINTEL_20250903.pdf","date":"2025-09-03"}],"evidenceTotal":1,"provenance":"source"},"exploited":true,"otx":{"pulseCount":3,"pulses":[{"name":"MS-ISAC CYBERSECURITY ADVISORY - Multiple Vulnerabilities in Cisco Products Could Allow for Arbitrary Code Execution - PATCH: NOW","url":"https://otx.alienvault.com/pulse/6227d147dcebdfff2d58d2c9","created":"2022-03-08"},{"name":"ACTUALIZACION | Vulnerabilidades de los enrutadores de la serie RV de Cisco Small Business | CISCO","url":"https://otx.alienvault.com/pulse/61fee336d2c8bead29a2c450","created":"2022-02-05"},{"name":"Several Critical Bugs Fixed by Cisco in Small Business RV Series Routers","url":"https://otx.alienvault.com/pulse/61fcbb67a85c283f11ef8735","created":"2022-02-04"}],"provenance":"machine"},"cwes":[{"id":"CWE-121","name":"Stack-based Buffer Overflow"}],"references":[{"url":"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-smb-mult-vuln-KA9PK6D","tags":["vendor-advisory"]},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-22-415/","tags":[]},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-22-409/","tags":[]},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-22-410/","tags":[]},{"url":"http://packetstormsecurity.com/files/170988/Cisco-RV-Series-Authentication-Bypass-Command-Injection.html","tags":[]}],"techniques":[],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2022-25955","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2022-25955","exploited":false,"exploitedSince":null,"provenance":"source"},"exploits":[],"exploitSources":{"metasploit":[{"name":"Cisco RV Series Authentication Bypass and Command Injection","module":"exploit/linux/http/cisco_rv340_lan","type":"exploit","disclosureDate":"2021-11-02","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/http/cisco_rv340_lan.rb"}],"first":{"date":"2021-11-02","source":"Metasploit","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/http/cisco_rv340_lan.rb"},"provenance":"source"},"exploitRefs":["http://packetstormsecurity.com/files/170988/Cisco-RV-Series-Authentication-Bypass-Command-Injection.html"],"flow":[],"timeline":[{"date":"2021-11-02","kind":"exploit-public","label":"First public exploit: Metasploit","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/http/cisco_rv340_lan.rb","provenance":"source"},{"date":"2022-02-10","kind":"published","label":"Published (CVE.org)","url":"https://www.cve.org/CVERecord?id=CVE-2022-20705","provenance":"source"},{"date":"2025-09-03","kind":"exploited-reported","label":"Exploitation first reported (VulnCheck KEV evidence)","url":"https://hs-8813571.f.hubspotemail.net/hubfs/8813571/PERISCOPE_VULNINTEL_20250903.pdf","provenance":"source"}],"speed":{"daysToPublicExploit":null,"firstExploitFrom":"Metasploit","daysToKev":null},"priority":{"score":68.3,"factors":[{"name":"In a KEV catalog","points":35.0,"detail":"listed in VulnCheck KEV"},{"name":"Recent KEV listing","points":0.0,"detail":"added 421 days ago"},{"name":"Known ransomware use","points":0.0,"detail":"not known"},{"name":"EPSS percentile","points":19.92,"detail":"percentile 0.9961"},{"name":"Named in threat reports","points":0.0,"detail":"0 reports"},{"name":"Public exploit code","points":5.0,"detail":"1 NVD exploit link; 1 Metasploit module"},{"name":"Mentioned in OTX pulses","points":1.37,"detail":"3 pulses"},{"name":"CVSS severity","points":7.0,"detail":"base score 10"},{"name":"End-of-life product","points":0.0,"detail":"supported or unknown"}]}}