{"id":"CVE-2026-76873","state":"PUBLISHED","title":"Netcore NR255-V 1.5.130703 Stored Cross-Site Scripting via DHCP and ARP Hostname Fields","description":"Netcore NR255-V version 1.5.130703 contains a stored cross-site scripting vulnerability in the DHCP dynamic IP display and ARP bind list display components handling hostname fields. A LAN-based attacker can inject malicious script through these hostname fields, which is later rendered by network_config.js and network_security.js in the web management interface.","publishedAt":"2026-09-15T21:58:03.216Z","updatedAt":"2026-09-16T19:01:53.273Z","severity":{"score":5.1,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N","source":"VulnCheck"},"assigner":"VulnCheck","products":["Netcore NR255-V"],"affected":[{"vendor":"Netcore","product":"NR255-V","defaultStatus":"unaffected","versions":[{"version":"1.5.130703","status":"affected","versionType":"custom"}]}],"references":["https://github.com/draw-ctf/netcore-router-public-refs/blob/main/2026.08.19-netcore-nr255v-dhcp-lan-xss.md","https://www.vulncheck.com/advisories/netcore-nr255-v-1.5.130703-stored-cross-site-scripting-via-dhcp-and-arp-hostname-fields"],"weaknesses":["CWE-79"],"ingestedAt":"2026-10-29T20:12:58.252Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/76xxx/CVE-2026-76873.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-76873","state":"PUBLISHED","datePublished":"2026-09-15T21:58:03.216Z","dateUpdated":"2026-09-16T19:01:53.273Z","assignerShortName":"VulnCheck","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateReserved":"2026-08-19T21:47:08.936Z"},"containers":{"cna":{"title":"Netcore NR255-V 1.5.130703 Stored Cross-Site Scripting via DHCP and ARP Hostname Fields","descriptions":[{"lang":"en","value":"Netcore NR255-V version 1.5.130703 contains a stored cross-site scripting vulnerability in the DHCP dynamic IP display and ARP bind list display components handling hostname fields. A LAN-based attacker can inject malicious script through these hostname fields, which is later rendered by network_config.js and network_security.js in the web management interface."}],"affected":[{"vendor":"Netcore","product":"NR255-V","defaultStatus":"unaffected","versions":[{"version":"1.5.130703","status":"affected","versionType":"custom"}]}],"references":[{"url":"https://github.com/draw-ctf/netcore-router-public-refs/blob/main/2026.08.19-netcore-nr255v-dhcp-lan-xss.md","name":"Netcore router public references: LAN-Triggerable Stored Cross-site Scripting via DHCP and ARP Hostname Fields","tags":["third-party-advisory"]},{"url":"https://www.vulncheck.com/advisories/netcore-nr255-v-1.5.130703-stored-cross-site-scripting-via-dhcp-and-arp-hostname-fields","name":"VulnCheck Advisory: Netcore NR255-V 1.5.130703 Stored Cross-Site Scripting via DHCP and ARP Hostname Fields","tags":["third-party-advisory"]}],"metrics":[{"format":"CVSS","cvssV4_0":{"version":"4.0","vectorString":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N","attackVector":"ADJACENT","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"PASSIVE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"LOW","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"LOW","subIntegrityImpact":"LOW","subAvailabilityImpact":"NONE","baseScore":5.1,"baseSeverity":"MEDIUM"}},{"format":"CVSS","cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","attackVector":"ADJACENT_NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE","baseScore":5.2,"baseSeverity":"MEDIUM"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-79","lang":"en","description":"Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","type":"CWE"}]}],"providerMetadata":{"shortName":"VulnCheck","orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateUpdated":"2026-09-15T21:58:03.216Z"},"datePublic":"2026-09-04T00:00:00.000Z","credits":[{"lang":"en","value":"Zhou Ao","type":"finder"},{"lang":"en","value":"Yin Luxing","type":"finder"},{"lang":"en","value":"Jiang Yuxuan","type":"finder"},{"lang":"en","value":"Liu Xin","type":"finder"},{"lang":"en","value":"@Nebusec","type":"finder"}],"x_generator":{"engine":"vulncheck-endgame"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-16T19:01:42.625083Z","id":"CVE-2026-76873","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-16T19:01:53.273Z"}}]}}}