{"id":"CVE-2026-108971","aliases":["EUVD-2026-98294","GHSA-5vhf-mw8w-298v"],"status":"published","title":"D-Link DCS-930L Emergency HTTP Recovery Server bootloader_region.bin mpfd_decode signature verification","description":"A flaw has been found in D-Link DCS-930L B1.08B4. This impacts the function mpfd_decode of the file bootloader_region.bin of the component Emergency HTTP Recovery Server. Executing a manipulation of the argument firmware can lead to improper verification of cryptographic signature. The attack may be performed from remote. The exploit has been published and may be used.","severity":{"version":"4.0","score":9.4,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00225,"percentile":0.13349,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-345","CWE-347"],"published":"2026-10-13T05:45:16Z","modified":"2026-10-14T14:17:36Z","products":[{"vendor":"d-link","product":"dcs-930l"}],"references":[{"url":"https://vuldb.com/vuln/416789","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/vuln/416789/cti","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/cve/CVE-2026-108971","tags":["third-party-advisory"]},{"url":"https://vuldb.com/submit/999605","tags":["third-party-advisory"]},{"url":"https://github.com/sweethub521/somevul/blob/main/dlink-dcs930l-bootloader-emergency-room-flash.md","tags":["exploit"]},{"url":"https://www.dlink.com/","tags":["product"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-108971"},{"url":"https://www.dlink.com"},{"url":"https://github.com/advisories/GHSA-5vhf-mw8w-298v"}],"sources":{"cve":[{"id":"CVE-2026-108971","title":"D-Link DCS-930L Emergency HTTP Recovery Server bootloader_region.bin mpfd_decode signature verification","description":"A flaw has been found in D-Link DCS-930L B1.08B4. This impacts the function mpfd_decode of the file bootloader_region.bin of the component Emergency HTTP Recovery Server. Executing a manipulation of the argument firmware can lead to improper verification of cryptographic signature. The attack may be performed from remote. The exploit has been published and may be used.","status":"published","published":"2026-10-13T05:45:16.733Z","modified":"2026-10-14T13:37:18.398Z","cvss":[{"version":"4.0","score":9.4,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P","level":"critical","assessor":"cna"},{"version":"3.1","score":9.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R","level":"critical","assessor":"cna"},{"version":"3.0","score":9.6,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R","level":"critical","assessor":"cna"},{"version":"2.0","score":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C/E:POC/RL:ND/RC:UR","assessor":"cna"}],"cwes":["CWE-347","CWE-345"],"updated_at":"2026-11-02T14:20:10.510075Z"}],"euvd":[{"id":"EUVD-2026-98294","description":"A flaw has been found in D-Link DCS-930L B1.08B4. This impacts the function mpfd_decode of the file bootloader_region.bin of the component Emergency HTTP Recovery Server. Executing a manipulation of the argument firmware can lead to improper verification of cryptographic signature. The attack may be performed from remote. The exploit has been published and may be used.","status":"published","published":"2026-10-13T05:45:16Z","modified":"2026-10-14T13:37:18Z","cvss":[{"version":"4.0","score":9.4,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P","level":"critical"}],"updated_at":"2026-11-02T17:27:15.969628Z"}],"ghsa":[{"id":"GHSA-5vhf-mw8w-298v","title":"A flaw has been found in D-Link DCS-930L B1.08B4. This impacts the function mpfd_decode of the...","description":"A flaw has been found in D-Link DCS-930L B1.08B4. This impacts the function mpfd_decode of the file bootloader_region.bin of the component Emergency HTTP Recovery Server. Executing a manipulation of the argument firmware can lead to improper verification of cryptographic signature. The attack may be performed from remote. The exploit has been published and may be used.","status":"published","published":"2026-10-13T06:30:27Z","modified":"2026-10-13T06:30:34Z","cvss":[{"version":"4.0","score":8.6,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"},{"version":"3.1","score":9.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-345"],"updated_at":"2026-11-02T15:13:10.125536Z"}],"nvd":[{"id":"CVE-2026-108971","description":"A flaw has been found in D-Link DCS-930L B1.08B4. This impacts the function mpfd_decode of the file bootloader_region.bin of the component Emergency HTTP Recovery Server. Executing a manipulation of the argument firmware can lead to improper verification of cryptographic signature. The attack may be performed from remote. The exploit has been published and may be used.","status":"published","published":"2026-10-13T06:16:50.09Z","modified":"2026-10-14T14:17:36.38Z","cvss":[{"version":"4.0","score":8.6,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"},{"version":"3.1","score":9.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","level":"critical","assessor":"secondary"},{"version":"2.0","score":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"secondary"}],"cwes":["CWE-345","CWE-347"],"updated_at":"2026-11-02T14:12:56.72789Z"}]}}