{"vulnerability": "CVE-2026-42376", "sightings": [{"uuid": "4495ea73-5283-49f2-a900-2873132b74cf", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-42376", "type": "seen", "source": "https://infosec.exchange/users/vuldb/statuses/116517380246425239", "content": "There is a new vulnerability with elevated criticality in D-Link DIR-456U A1 (CVE-2026-42376) https://vuldb.com/vuln/360991", "creation_timestamp": "2026-05-04T17:02:07.688013Z"}, {"uuid": "79517f96-b86c-417a-aabc-9f08fcc3fd90", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-42376", "type": "seen", "source": "https://bsky.app/profile/thehackerwire.bsky.social/post/3ml2autcjzk2f", "content": "\ud83d\udd34 CVE-2026-42376 - Critical (9.8)\n\nD-Link DIR-456U Hardware Revision A1 (End-of-Life, EOL) contains a hardcoded telnet backdoor. The...\n\nhttps://www.thehackerwire.com/vulnerability/CVE-2026-42376/\n\n#infosec #cybersecurity #CVE #vulnerability #security #patchstack", "creation_timestamp": "2026-05-04T18:00:44.757586Z"}, {"uuid": "442d9479-50be-4b6b-a4c0-aac85fd8f7f3", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-42376", "type": "seen", "source": "https://bsky.app/profile/cve.skyfleet.blue/post/3ml2dcsmbvq2k", "content": "CVE-2026-42376 - D-Link DIR-456U A1 Hardcoded Telnet Backdoor Credentials\nCVE ID : CVE-2026-42376\n \n Published : May 4, 2026, 5:16 p.m. | 1\u00a0hour, 4\u00a0minutes ago\n \n Description : D-Link DIR-456U Hardware Revision A1 (End-of-Life, EOL) contains a hardcoded telnet backdoor. The de...", "creation_timestamp": "2026-05-04T18:44:20.839693Z"}, {"uuid": "242073c3-040a-44cb-adf5-d3cfa50253fc", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-42376", "type": "seen", "source": "https://bsky.app/profile/cyberhub.blog/post/3mlm6kkaoef2v", "content": "\ud83d\udccc CVE-2026-42376 - D-Link DIR-456U Hardware Revision A1 (End-of-Life, EOL) contains a hardcoded telnet backdoor. The device starts a telnet daemon at boot via /etc/init0... https://www.cyberhub.blog/cves/CVE-2026-42376", "creation_timestamp": "2026-05-11T21:07:07.405398Z"}, {"uuid": "9fb1a851-ec37-4a23-af66-6937f6f9d652", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-42376", "type": "seen", "source": "https://t.me/shimiscyberworld/1188", "content": "\ud83d\udee1\ufe0f SCW \u2502 Critical Vulnerability\n\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\n\n\u26a0\ufe0f CVE-2026-42376 \u2014 CVSS 9.8\nCVE-2026-42376: D-Link DIR-456U EOL Router Exposes Critical Backdoor\n\nCVE-2026-42376 \u2014 D-Link DIR-456U Hardware Revision A1 (End-of-Life, EOL) contains a hardcoded telnet backdoor. The device starts a telnet daemon at boot via /etc/init0.d/S80telnetd\n\n\ud83d\udd34 Critical \u00b7 3 ATT&CK techniques mapped\n\n#cve  #critical  #high_severity\n\n\ud83d\udcd6 Full analysis + IOCs \u2192\n\ud83c\udfaf Type /detect cve-2026-42376 in the bot\nOpen Intel Bot \u2192\n\n\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\n\ud83c\udf10 @shimiscyberworld \u00b7 shimiscyberworld.com", "creation_timestamp": "2026-09-12T10:00:17.801417Z"}, {"uuid": "0dd014c7-e616-4269-a9f5-dd4b4dd9ac5f", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-42376", "type": "seen", "source": "https://t.me/shimiscyberworld/1188", "content": "\ud83d\udee1\ufe0f SCW \u2502 Critical Vulnerability\n\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\n\n\u26a0\ufe0f CVE-2026-42376 \u2014 CVSS 9.8\nCVE-2026-42376: D-Link DIR-456U EOL Router Exposes Critical Backdoor\n\nCVE-2026-42376 \u2014 D-Link DIR-456U Hardware Revision A1 (End-of-Life, EOL) contains a hardcoded telnet backdoor. The device starts a telnet daemon at boot via /etc/init0.d/S80telnetd\n\n\ud83d\udd34 Critical \u00b7 3 ATT&CK techniques mapped\n\n#cve  #critical  #high_severity\n\n\ud83d\udcd6 Full analysis + IOCs \u2192\n\ud83c\udfaf Type /detect cve-2026-42376 in the bot\nOpen Intel Bot \u2192\n\n\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\n\ud83c\udf10 @shimiscyberworld \u00b7 shimiscyberworld.com", "creation_timestamp": "2026-09-13T00:00:09.979785Z"}]}