{"cveID":"CVE-2022-20708","vendorProject":"Cisco","product":"Small Business RV160, RV260, RV340, and RV345 Series Routers","vulnerabilityName":"Cisco Small Business RV Series Routers Stack-based Buffer Overflow Vulnerability","dateAdded":"2022-03-03","shortDescription":"A vulnerability 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, or cause a denial of service (DoS).","requiredAction":"Apply updates per vendor instructions.","dueDate":"2022-03-17","knownRansomwareCampaignUse":"Unknown","notes":"https://nvd.nist.gov/vuln/detail/CVE-2022-20708","cwes":["CWE-121"],"year":2022,"state":"mapped","stale_reasons":[],"mappings":[{"domain":"enterprise","cve":"CVE-2022-20708","technique":"T1190","technique_name_at_mapping":"Exploit Public-Facing Application","mapping_type":"exploitation_technique","capability_group":"buffer_overflow","comments":"This vulnerability is exploited by bypassing user authentication mechanisms via a lack of proper validation of a user-supplied string before executing a system call. This could grant adversaries root access to execute arbitrary code. ","references":["https://www.tenable.com/blog/cve-2022-20699-cve-2022-20700-cve-2022-20708-critical-flaws-in-cisco-small-business-rv-series","https://thehackernews.com/2022/02/critical-flaws-discovered-in-cisco.html","https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-smb-mult-vuln-KA9PK6D","https://www.zerodayinitiative.com/advisories/ZDI-22-417/"],"status":"complete","source_file":"kev-07.28.2025_attack-16.1-enterprise.json","attack_version":"16.1","kev_snapshot":"07/28/2025"},{"domain":"enterprise","cve":"CVE-2022-20708","technique":"T1068","technique_name_at_mapping":"Exploitation for Privilege Escalation","mapping_type":"primary_impact","capability_group":"buffer_overflow","comments":"This vulnerability is exploited by bypassing user authentication mechanisms via a lack of proper validation of a user-supplied string before executing a system call. This could grant adversaries root access to execute arbitrary code. ","references":["https://www.tenable.com/blog/cve-2022-20699-cve-2022-20700-cve-2022-20708-critical-flaws-in-cisco-small-business-rv-series","https://thehackernews.com/2022/02/critical-flaws-discovered-in-cisco.html","https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-smb-mult-vuln-KA9PK6D","https://www.zerodayinitiative.com/advisories/ZDI-22-417/"],"status":"complete","source_file":"kev-07.28.2025_attack-16.1-enterprise.json","attack_version":"16.1","kev_snapshot":"07/28/2025"}],"techniques":[{"id":"T1068","domains":["enterprise"],"in_current_bundle":true,"live":true,"name_now":"Exploitation for Privilege Escalation","name_at_mapping":"Exploitation for Privilege Escalation","renamed":false,"revoked_by":null,"mapping_types":["primary_impact"],"sigma_rule_count":31,"has_detection_strategy":true},{"id":"T1190","domains":["enterprise"],"in_current_bundle":true,"live":true,"name_now":"Exploit Public-Facing Application","name_at_mapping":"Exploit Public-Facing Application","renamed":false,"revoked_by":null,"mapping_types":["exploitation_technique"],"sigma_rule_count":149,"has_detection_strategy":true}],"mapping_types":["exploitation_technique","primary_impact"],"has_exploitation_technique":true,"mapping_attack_versions":["16.1"],"mapping_domains":["enterprise"],"sigma_coverage":"full","sigma_rules_tagged_cve":[],"added_after_mapping_snapshot":false,"_source":"kevmap","_built":"2026-08-24 19:45 UTC","_attack_version":"19.2"}