{"id":"CVE-2025-34049","state":"PUBLISHED","title":"OptiLink ONT1GEW GPON Remote Code Execution","description":"An OS command injection vulnerability exists in the OptiLink ONT1GEW GPON router firmware version V2.1.11_X101 Build 1127.190306 and earlier. The router’s web management interface fails to properly sanitize user input in the target_addr parameter of the formTracert and formPing administrative endpoints. An authenticated attacker can inject arbitrary operating system commands, which are executed with root privileges, leading to remote code execution. Successful exploitation enables full compromise of the device. Exploitation evidence was observed by the Shadowserver Foundation on 2025-02-04 UTC.","publishedAt":"2025-06-26T15:52:12.197Z","updatedAt":"2026-04-07T14:09:13.221Z","severity":{"score":9.4,"label":"Critical","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H","source":"VulnCheck"},"assigner":"VulnCheck","products":["OptiLink ONT1GEW GPON"],"affected":[{"vendor":"OptiLink","product":"ONT1GEW GPON","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"V2.1.11_X101 Build 1127.190306","versionType":"custom"}],"modules":["Web Management Interface (formPing and formTracert diagnostic command handlers)","target_addr (POST parameter in formTracert and formPing endpoints)"]}],"references":["https://www.exploit-db.com/exploits/49955","https://optilinknetwork.com/","https://vulncheck.com/advisories/optilink-ont1gew-router-rce","https://packetstorm.news/files/id/162993"],"weaknesses":["CWE-78"],"ingestedAt":"2026-10-29T20:09:03.054Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/34xxx/CVE-2025-34049.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-34049","state":"PUBLISHED","datePublished":"2025-06-26T15:52:12.197Z","dateUpdated":"2026-04-07T14:09:13.221Z","assignerShortName":"VulnCheck","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateReserved":"2025-04-15T19:15:22.548Z"},"containers":{"cna":{"title":"OptiLink ONT1GEW GPON Remote Code Execution","descriptions":[{"lang":"en","value":"An OS command injection vulnerability exists in the OptiLink ONT1GEW GPON router firmware version V2.1.11_X101 Build 1127.190306 and earlier. The router’s web management interface fails to properly sanitize user input in the target_addr parameter of the formTracert and formPing administrative endpoints. An authenticated attacker can inject arbitrary operating system commands, which are executed with root privileges, leading to remote code execution. Successful exploitation enables full compromise of the device. Exploitation evidence was observed by the Shadowserver Foundation on 2025-02-04 UTC."}],"affected":[{"vendor":"OptiLink","product":"ONT1GEW GPON","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"V2.1.11_X101 Build 1127.190306","versionType":"custom"}],"modules":["Web Management Interface (formPing and formTracert diagnostic command handlers)","target_addr (POST parameter in formTracert and formPing endpoints)"]}],"references":[{"url":"https://www.exploit-db.com/exploits/49955","tags":["exploit"]},{"url":"https://optilinknetwork.com/","tags":["product"]},{"url":"https://vulncheck.com/advisories/optilink-ont1gew-router-rce","tags":["third-party-advisory"]},{"url":"https://packetstorm.news/files/id/162993","tags":["exploit"]}],"metrics":[{"cvssV4_0":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":9.4,"baseSeverity":"CRITICAL","exploitMaturity":"NOT_DEFINED","privilegesRequired":"HIGH","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"HIGH","subConfidentialityImpact":"HIGH","subIntegrityImpact":"HIGH","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","vulnerabilityResponseEffort":"NOT_DEFINED"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-78","description":"CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"VulnCheck","orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateUpdated":"2026-04-07T14:09:13.221Z"},"credits":[{"lang":"en","type":"finder","value":"SecNigma"},{"lang":"en","type":"finder","value":"Amal"}],"impacts":[{"capecId":"CAPEC-88","descriptions":[{"lang":"en","value":"CAPEC-88 OS Command Injection"}]}],"source":{"discovery":"UNKNOWN"},"tags":["x_known-exploited-vulnerability"],"x_generator":{"engine":"Vulnogram 0.2.0"},"datePublic":"2021-06-07T00:00:00.000Z"},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-06-26T17:36:49.953396Z","id":"CVE-2025-34049","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-06-26T17:37:23.107Z"}}]}}}