{"id":"CVE-2020-5735","url":"https://www.cyber-defence.io/tools/cve/CVE-2020-5735","generatedAt":"2026-10-31T17:27:12.074Z","title":"Amcrest Cameras and NVR Stack-based Buffer Overflow Vulnerability","description":"Amcrest cameras and NVR are vulnerable to a stack-based buffer overflow over port 37777. An authenticated remote attacker can abuse this issue to crash the device and possibly execute arbitrary code.","published":"2020-04-08T13:15:13.000Z","lastModified":"2026-06-17T03:22:08.000Z","status":"Analyzed","sourceIdentifier":"vulnreport@tenable.com","cvss":{"version":"3.1","score":8.8,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-121","CWE-787"],"affected":["amcrest/1080-lite 8ch firmware","amcrest/amdv10814-h5 firmware","amcrest/ipm-721 firmware","amcrest/ip2m-841 firmware","amcrest/ip2m-841-v3 firmware","amcrest/ip2m-853ew firmware","amcrest/ip2m-858w firmware","amcrest/ip2m-866w firmware","amcrest/ip2m-866ew firmware","amcrest/ip4m-1053ew firmware","amcrest/ip8m-2454ew firmware","amcrest/ip8m-2493eb firmware","amcrest/ip8m-2496eb firmware","amcrest/ip8m-2597e firmware","amcrest/ip8m-mb2546ew firmware","amcrest/ip8m-mt2544ew firmware","amcrest/ip8m-t2499ew firmware","amcrest/ipm-hx1 firmware"],"epss":{"score":0.36217,"percentile":0.98476,"date":"2026-10-30","history":[]},"kev":{"listed":true,"dateAdded":"2021-11-03","dueDate":"2022-05-03","knownRansomwareCampaignUse":"Unknown","notes":"Apply updates per vendor instructions.\nhttps://nvd.nist.gov/vuln/detail/CVE-2020-5735"},"exploits":{"count":1,"verified":false,"firstPublished":"2020-04-08","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":48304,"kind":"exploit","title":"Amcrest Dahua NVR Camera IP2M-841 - Denial of Service (PoC)","url":"https://www.exploit-db.com/exploits/48304","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/hardware/dos/48304.py","file":"exploits/hardware/dos/48304.py","published":"2020-04-08","added":"2020-04-08","updated":"2020-04-08","author":"Jacob Baines","type":"dos","platform":"hardware","port":null,"verified":false,"codes":["CVE-2020-5735"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":null}]},"verdict":{"level":"urgent","text":"Known to be exploited in the wild (CISA KEV, CISA remediation deadline 3 May 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise."},"changes":[],"references":[{"url":"http://packetstormsecurity.com/files/157164/Amcrest-Dahua-NVR-Camera-IP2M-841-Denial-Of-Service.html","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"vulnreport@tenable.com"},{"url":"https://www.tenable.com/security/research/tra-2020-20","tags":["Third Party Advisory"],"source":"vulnreport@tenable.com"},{"url":"http://packetstormsecurity.com/files/157164/Amcrest-Dahua-NVR-Camera-IP2M-841-Denial-Of-Service.html","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.tenable.com/security/research/tra-2020-20","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-5735","tags":["US Government Resource"],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-5735","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."}