{"id":"CVE-2022-26258","kind":"vulnerability","aliases":["CVE-2022-26258"],"related":[],"title":"dlink dir-820l firmware: D-Link DIR-820L 1.05B03 was discovered to contain remote command execution (RCE) vulnerability via HTTP POST to get…","description":"D-Link DIR-820L contains an unspecified vulnerability in Device Name parameter in /lan.asp which allows for remote code execution.\n\nCISA required action: The impacted product is end-of-life and should be disconnected if still in use.","summary":"D-Link DIR-820L home routers have an unspecified flaw in the Device Name parameter of /lan.asp that allows remote code execution. An attacker who can reach the router's web interface can run commands on the device, and it is listed as actively exploited.","severity":"critical","cvss":9.8,"epss":0.91632,"exploited":true,"exploited_at":"2022-09-08T00:00:00+00:00","products":[{"name":"D-Link DIR-820L","fixed":[],"affected":"","ecosystem":"vendor"},{"name":"dlink dir-820l firmware","fixed":[],"affected":"= 1.05b03","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["d-link","exploited","home-network","infrastructure","routers","small-office"],"not_affected_if":["not-dir-820l"],"how_to_check":"Identify any D-Link DIR-820L in the environment, including end-of-life units.","fix":"CISA says the product is end-of-life and should be disconnected if still in use. No patched version is named in the sources.","status":"open","published_at":"2022-03-28T00:15:07+00:00","first_seen_at":"2026-10-23T19:11:52+00:00","triaged_at":"2026-10-23T21:10:41+00:00","updated_at":"2026-10-23T22:29:04+00:00","category":"infrastructure","confidence":0.6,"triage":{"at":"2026-10-23T21:10:41Z","model":"claude-haiku-5-5","output":{"fix":"CISA says the product is end-of-life and should be disconnected if still in use. No patched version is named in the sources.","reach":"network","impact":"high","summary":"D-Link DIR-820L home routers have an unspecified flaw in the Device Name parameter of /lan.asp that allows remote code execution. An attacker who can reach the router's web interface can run commands on the device, and it is listed as actively exploited.","category":"infrastructure","who_cares":["d-link","routers","home-network","small-office"],"confidence":0.6,"needs_auth":"unknown","worst_case":"Attacker runs code on the router and controls traffic","analyst_note":"Sources do not state the authentication requirement, the firmware versions affected, or a fixed version; check the CISA KEV entry and vendor advisory for details.","how_to_check":"Identify any D-Link DIR-820L in the environment, including end-of-life units.\nunknown\nunknown","needs_analyst":true,"not_affected_if":["not-dir-820l"],"user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"critical"},"cost_usd":0.000476,"input_tokens":2841,"output_tokens":383,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-2022':29A,32A '-26258':30A,33A '/lan.asp':75B,119C '1.05':12A '820l':4A,11A,39A,43A,62B,109C 'action':128C 'activ':102B 'allow':77B,121C 'attack':82B 'b03':13A 'cisa':126C 'code':79B,124C 'command':19A,93B 'contain':17A,110C 'cve':28A,31A 'd':7A,35A,46B,58B,105C 'd-link':6A,34A,45B,57B,104C 'devic':71B,96B,115C 'dir':3A,10A,38A,42A,61B,108C 'dir-820l':2A,9A,37A,41A,60B,107C 'disconnect':140C 'discov':15A 'dlink':1A,40A 'end':134C 'end-of-lif':133C 'execut':20A,80B,125C 'exploit':48B,103B 'firmwar':5A 'firmware':44A 'flaw':68B 'get':27A 'home':50B,63B 'home-network':49B 'http':24A 'impact':130C 'infrastructur':52B 'interfac':90B 'life':136C 'link':8A,36A,47B,59B,106C 'list':100B 'name':72B,116C 'network':51B 'offic':56B 'paramet':73B,117C 'post':25A 'product':131C 'rce':21A 'reach':85B 'remot':18A,78B,123C 'requir':127C 'router':53B,64B,87B 'run':92B 'small':55B 'small-offic':54B 'still':142C 'unspecifi':67B,112C 'use':144C 'via':23A 'vulner':22A,113C 'web':89B","nicknames":[],"mitigations":[],"who_affected":null,"tier":null,"verified":{},"analyst_revisit_at":null,"first_public_at":"2022-03-28T00:15:07+00:00","kev":{"dateAdded":"2022-09-08","dueDate":"2022-09-29","requiredAction":"The impacted product is end-of-life and should be disconnected if still in use.","knownRansomwareCampaignUse":"Unknown"},"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cvss_by":"nvd@nist.gov","poc_count":0,"sources":[{"source":"kev","external_id":"CVE-2022-26258","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2022-26258","severity":null,"published_at":"2022-09-08T00:00:00+00:00","modified_at":null,"first_seen_at":"2026-10-23T19:11:52+00:00","fetched_at":"2026-10-25T11:39:16+00:00","note":null},{"source":"epss","external_id":"CVE-2022-26258","url":"https://api.first.org/data/v1/epss?cve=CVE-2022-26258","severity":null,"published_at":null,"modified_at":null,"first_seen_at":"2026-10-23T19:13:45+00:00","fetched_at":"2026-10-23T19:13:45+00:00","note":null},{"source":"nvd","external_id":"CVE-2022-26258","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-26258","severity":null,"published_at":"2022-03-28T00:15:07+00:00","modified_at":"2026-07-09T13:57:20+00:00","first_seen_at":"2026-10-23T22:29:04+00:00","fetched_at":"2026-10-23T22:29:04+00:00","note":null}],"documents":[],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}