{"cve":"CVE-2026-120241","nvd":{"published":"2026-11-01T19:16:59.393","modified":"2026-11-01T19:16:59.393","status":"Received","description":"A vulnerability was identified in Ruijie RG-ES205GC, RG-ES206GC-P, RG-ES208GC, RG-ES210GC-LP and RG-ES210GS-P ESW_1.0(1)B1P48. Impacted is an unknown function of the file httpupg.cgi of the component Local Firmware Upgrade Interface. The manipulation leads to buffer overflow. It is possible to initiate the attack remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.","cvss_v4":{"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P","score":7.7},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-119","CWE-120"],"references":["https://github.com/byseeker/Ruijie-RG-ES-Series-Switches_PreAuth_Boundary_Overflow_DoS","https://vuldb.com/cve/CVE-2026-120241","https://vuldb.com/submit/1016041","https://vuldb.com/vuln/429600","https://vuldb.com/vuln/429600/cti"],"reference_tags":[{"url":"https://github.com/byseeker/Ruijie-RG-ES-Series-Switches_PreAuth_Boundary_Overflow_DoS","tags":[]},{"url":"https://vuldb.com/cve/CVE-2026-120241","tags":[]},{"url":"https://vuldb.com/submit/1016041","tags":[]},{"url":"https://vuldb.com/vuln/429600","tags":[]},{"url":"https://vuldb.com/vuln/429600/cti","tags":[]}],"products":[],"affected":[],"source":"nvd","synced_at":"2026-11-01T19:37:28.589902239+00:00"},"epss":null,"kev":null,"exploits":[],"weaknesses":[{"name":"Improper Restriction of Operations within the Bounds of a Memory Buffer","common_name":null,"deprecated":false,"replaced_by":[],"id":"CWE-119"},{"name":"Buffer Copy without Checking Size of Input","common_name":"Classic Buffer Overflow","deprecated":false,"replaced_by":[],"id":"CWE-120"}],"osv":[],"fixed":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program.","Public exploits: links to the Exploit Database (https://www.exploit-db.com, by OffSec; index under GPL-2.0), Rapid7's Metasploit Framework modules (https://github.com/rapid7/metasploit-framework, BSD-3-Clause) and ProjectDiscovery's nuclei templates (https://github.com/projectdiscovery/nuclei-templates, MIT). Only the links, titles and dates are stored; no exploit code is fetched or served.","CWE names and descriptions: MITRE's Common Weakness Enumeration (https://cwe.mitre.org), Copyright © 2006–2026, The MITRE Corporation, under the CWE terms of use (https://cwe.mitre.org/about/termsofuse.html). CWE is a trademark of The MITRE Corporation."]}