{"id":"CVE-2023-25280","kind":"vulnerability","aliases":["CVE-2023-25280"],"related":[],"title":"dlink dir-820l firmware: OS Command injection vulnerability in D-Link DIR820LA1_FW105B03 allows attackers to escalate privileges to root via…","description":"D-Link DIR-820 routers contain an OS command injection vulnerability that allows a remote, unauthenticated attacker to escalate privileges to root via a crafted payload with the ping_addr parameter to ping.ccp.\n\nCISA required action: The impacted product is end-of-life (EoL) and/or end-of-service (EoS). Users should discontinue utilization of the product.","summary":"D-Link DIR-820 routers have an OS command injection flaw in the ping_addr parameter of ping.ccp. A remote attacker without credentials can inject commands and escalate to root on the router.","severity":"critical","cvss":9.8,"epss":null,"exploited":true,"exploited_at":"2024-09-30T00:00:00+00:00","products":[{"name":"D-Link DIR-820 Router","fixed":[],"affected":"","ecosystem":"vendor"},{"name":"dlink dir-820l firmware","fixed":[],"affected":"= 1.05b03","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["d-link","dir-820","exploited","home-router","infrastructure","small-office-router"],"not_affected_if":["no-dir-820-on-network"],"how_to_check":"Identify any D-Link DIR-820 router on the network (model label or admin page); unknown whether a firmware check command exists.","fix":"Discontinue use of the DIR-820, since CISA says the product is end-of-life and end-of-service; no patched firmware is stated in the sources.","status":"open","published_at":"2023-03-16T01:15:46+00:00","first_seen_at":"2026-10-23T19:11:51+00:00","triaged_at":"2026-10-23T20:56:34+00:00","updated_at":"2026-10-23T22:29:05+00:00","category":"infrastructure","confidence":0.8,"triage":{"at":"2026-10-23T20:56:34Z","model":"claude-haiku-5-5","output":{"fix":"Discontinue use of the DIR-820, since CISA says the product is end-of-life and end-of-service; no patched firmware is stated in the sources.","reach":"internet","impact":"high","summary":"D-Link DIR-820 routers have an OS command injection flaw in the ping_addr parameter of ping.ccp. A remote attacker without credentials can inject commands and escalate to root on the router.","category":"infrastructure","who_cares":["d-link","dir-820","home-router","small-office-router"],"confidence":0.8,"needs_auth":"no","worst_case":"Remote attacker gains root on the router and can control traffic and network access.","analyst_note":"Confirm whether any firmware fix exists for DIR-820 and whether the ping.ccp exposure is limited to the WAN or LAN side; check the CISA KEV entry for the due date.","how_to_check":"Identify any D-Link DIR-820 router on the network (model label or admin page); unknown whether a firmware check command exists.","needs_analyst":true,"not_affected_if":["no-dir-820-on-network"],"user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"unknown"},"cost_usd":0.00049,"input_tokens":2854,"output_tokens":409,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-2023':25A,28A '-25280':26A,29A '-820':34A,45B,59B,93C '820l':4A,39A 'action':125C 'addr':70B,119C 'allow':16A,102C 'and/or':135C 'attack':17A,76B,106C 'cisa':123C 'command':7A,64B,81B,98C 'contain':95C 'craft':114C 'credenti':78B 'cve':24A,27A 'd':12A,31A,42B,56B,90C 'd-link':11A,30A,41B,55B,89C 'dir':3A,33A,38A,44B,58B,92C 'dir-820l':2A,37A 'dir820la1':14A 'discontinu':143C 'dlink':1A,36A 'end':131C,137C 'end-of-lif':130C 'end-of-servic':136C 'eo':140C 'eol':134C 'escal':19A,83B,108C 'exploit':46B 'firmwar':5A 'firmware':40A 'flaw':66B 'fw105b03':15A 'home':48B 'home-rout':47B 'impact':127C 'infrastructur':50B 'inject':8A,65B,80B,99C 'life':133C 'link':13A,32A,43B,57B,91C 'offic':53B 'os':6A,63B,97C 'paramet':71B,120C 'payload':115C 'ping':69B,118C 'ping.ccp':73B,122C 'privileg':20A,109C 'product':128C,147C 'remot':75B,104C 'requir':124C 'root':22A,85B,111C 'router':35A,49B,54B,60B,88B,94C 'servic':139C 'small':52B 'small-office-rout':51B 'unauthent':105C 'user':141C 'util':144C 'via':23A,112C 'vulner':9A,100C 'without':77B","nicknames":[],"mitigations":[],"who_affected":null,"tier":null,"verified":{},"analyst_revisit_at":null,"first_public_at":"2023-03-16T01:15:46+00:00","kev":{"dateAdded":"2024-09-30","dueDate":"2024-10-21","requiredAction":"The impacted product is end-of-life (EoL) and/or end-of-service (EoS). Users should discontinue utilization of the product.","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-2023-25280","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2023-25280","severity":null,"published_at":"2024-09-30T00:00:00+00:00","modified_at":null,"first_seen_at":"2026-10-23T19:11:51+00:00","fetched_at":"2026-10-25T17:39:56+00:00","note":null},{"source":"nvd","external_id":"CVE-2023-25280","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-25280","severity":null,"published_at":"2023-03-16T01:15:46+00:00","modified_at":"2026-06-17T05:41:01+00:00","first_seen_at":"2026-10-23T22:29:05+00:00","fetched_at":"2026-10-23T22:29:05+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"}