{"id":"CVE-2022-20703","url":"https://www.cyber-defence.io/tools/cve/CVE-2022-20703","generatedAt":"2026-10-31T12:57:44.018Z","title":"Cisco Small Business RV Series Routers Stack-based Buffer Overflow Vulnerability","description":"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.","published":"2022-02-10T18:15:09.000Z","lastModified":"2026-06-17T04:24:54.000Z","status":"Analyzed","sourceIdentifier":"psirt@cisco.com","cvss":{"version":"3.1","score":8,"severity":"HIGH","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},"cwe":["CWE-121","CWE-295"],"affected":["cisco/rv340 firmware","cisco/rv340w firmware","cisco/rv345 firmware","cisco/rv345p firmware","cisco/rv160 firmware","cisco/rv160w firmware","cisco/rv260 firmware","cisco/rv260p firmware","cisco/rv260w firmware"],"epss":{"score":0.09203,"percentile":0.95329,"date":"2026-10-30","history":[]},"kev":{"listed":true,"dateAdded":"2022-03-03","dueDate":"2022-03-17","knownRansomwareCampaignUse":"Unknown","notes":"Apply updates per vendor instructions.\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-20703"},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"Known to be exploited in the wild (CISA KEV, CISA remediation deadline 17 March 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise."},"changes":[],"references":[{"url":"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-smb-mult-vuln-KA9PK6D","tags":["Vendor Advisory"],"source":"psirt@cisco.com"},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-22-408/","tags":["Third Party Advisory","VDB Entry"],"source":"psirt@cisco.com"},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-22-413/","tags":["Third Party Advisory","VDB Entry"],"source":"psirt@cisco.com"},{"url":"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-smb-mult-vuln-KA9PK6D","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-22-408/","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-22-413/","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-20703","tags":["US Government Resource"],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2022-20703","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}