{"metadata": {"vulnerability": "cve-2025-3677", "count": 18, "kinds": {"milestone": 4, "sighting": 3, "kev": 0, "other": 11}}, "data": [{"timestamp": "2025-04-16T00:00:00Z", "date_only": false, "value": "2025-04-16T00:00:00.000Z", "kind": "other", "label": "Timeline", "source": "cvelistv5 / VulDB", "record": "cve-2025-3677", "field": "containers.cna.timeline.0.time", "text": "Advisory disclosed"}, {"timestamp": "2025-04-16T01:03:15.592Z", "date_only": false, "value": "2025-04-16T01:03:15.592Z", "kind": "milestone", "label": "Reserved", "source": "cvelistv5", "record": "cve-2025-3677", "field": "cveMetadata.dateReserved"}, {"timestamp": "2025-04-16T02:00:00Z", "date_only": false, "value": "2025-04-16T02:00:00.000Z", "kind": "other", "label": "Timeline", "source": "cvelistv5 / VulDB", "record": "cve-2025-3677", "field": "containers.cna.timeline.1.time", "text": "VulDB entry created"}, {"timestamp": "2025-04-16T08:31:04.475Z", "date_only": false, "value": "2025-04-16T08:31:04.475Z", "kind": "milestone", "label": "Published", "source": "cvelistv5", "record": "cve-2025-3677", "field": "cveMetadata.datePublished", "metric_role": "disclosure", "metric_basis": "recorded_event"}, {"timestamp": "2025-04-16T08:55:58Z", "date_only": false, "value": "2025-04-16T08:55:58.000000Z", "kind": "sighting", "label": "Published proof of concept", "source": "https://t.me/DarkWebInformer_CVEAlerts/11999", "record": "CVE-2025-3677", "field": "creation_timestamp", "uuid": "47b5fa70-105e-4543-886a-cf4849f12b9b", "content": "\ud83d\udd17 DarkWebInformer.com - Cyber Threat Intelligence\n\ud83d\udccc CVE ID: CVE-2025-3677\n\ud83d\udd25 CVSS Score: 4.8 (cvssV4_0, Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N)\n\ud83d\udd39 Description: A vulnerability classified as critical was found in lm-sys fastchat up to 0.2.36. This vulnerability affects the function split_files/apply_delta_low_cpu_mem of the file fastchat/model/apply_delta.py. The manipulation leads to deserialization. An attack has to be approached locally.\n\ud83d\udccf Published: 2025-04-16T08:31:04.475Z\n\ud83d\udccf Modified: 2025-04-16T08:31:04.475Z\n\ud83d\udd17 References:\n1. https://vuldb.com/?id.304966\n2. https://vuldb.com/?ctiid.304966\n3. https://vuldb.com/?submit.552755\n4. https://github.com/lm-sys/FastChat/issues/3713", "url": "https://t.me/DarkWebInformer_CVEAlerts/11999", "metric_role": "exploit_publication", "metric_basis": "sighting_report"}, {"timestamp": "2025-04-16T09:15:28Z", "date_only": false, "value": "2025-04-16T09:15:28Z", "kind": "other", "label": "Nvd published at", "source": "github \u00b7 GHSA-V32V-5787-25W8", "record": "GHSA-V32V-5787-25W8", "field": "database_specific.nvd_published_at", "linked_record": true}, {"timestamp": "2025-04-16T09:15:28.273Z", "date_only": false, "value": "2025-04-16T09:15:28.273", "kind": "milestone", "label": "Published", "source": "fkie_nvd \u00b7 FKIE_CVE-2025-3677", "record": "FKIE_CVE-2025-3677", "field": "published", "metric_role": "disclosure", "metric_basis": "recorded_event", "linked_record": true}, {"timestamp": "2025-04-16T09:32:14Z", "date_only": false, "value": "2025-04-16T09:32:14Z", "kind": "milestone", "label": "Published", "source": "github \u00b7 GHSA-V32V-5787-25W8", "record": "GHSA-V32V-5787-25W8", "field": "published", "metric_role": "disclosure", "metric_basis": "recorded_event", "linked_record": true}, {"timestamp": "2025-04-16T09:32:14Z", "date_only": false, "value": "2025-04-16T09:32:14Z", "kind": "other", "label": "Updated", "source": "github \u00b7 GHSA-V32V-5787-25W8", "record": "GHSA-V32V-5787-25W8", "field": "modified", "linked_record": true}, {"timestamp": "2025-04-16T10:43:52.772Z", "date_only": false, "value": "2025-04-16T10:43:52.772279Z", "kind": "sighting", "label": "Seen", "source": "https://bsky.app/profile/cve.skyfleet.blue/post/3lmwfusspt62h", "record": "CVE-2025-3677", "field": "creation_timestamp", "uuid": "07f123ba-1336-4a09-8635-767146f811dc", "url": "https://bsky.app/profile/cve.skyfleet.blue/post/3lmwfusspt62h"}, {"timestamp": "2025-04-16T13:31:38Z", "date_only": false, "value": "2025-04-16T13:31:38.000000Z", "kind": "sighting", "label": "Seen", "source": "https://t.me/cvedetector/23084", "record": "CVE-2025-3677", "field": "creation_timestamp", "uuid": "34458167-edc9-4ef4-834c-3b985b9cbdfd", "content": "{\n  \"Source\": \"CVE FEED\",\n  \"Title\": \"CVE-2025-3677 - Lm-Sys FastChat Deserialization Vulnerability\", \n  \"Content\": \"CVE ID : CVE-2025-3677 \nPublished : April 16, 2025, 9:15 a.m. | 2\u00a0hours, 15\u00a0minutes ago \nDescription : A vulnerability classified as critical was found in lm-sys fastchat up to 0.2.36. This vulnerability affects the function split_files/apply_delta_low_cpu_mem of the file fastchat/model/apply_delta.py. The manipulation leads to deserialization. An attack has to be approached locally. \nSeverity: 5.3 | MEDIUM \nVisit the link for more details, such as CVSS details, affected products, timeline, and more...\",\n  \"Detection Date\": \"16 Apr 2025\",\n  \"Type\": \"Vulnerability\"\n}\n\ud83d\udd39 t.me/cvedetector \ud83d\udd39", "url": "https://t.me/cvedetector/23084"}, {"timestamp": "2025-04-16T19:30:12.404Z", "date_only": false, "value": "2025-04-16T19:30:12.404331Z", "kind": "other", "label": "Recorded", "source": "cvelistv5 / CISA-ADP", "record": "cve-2025-3677", "field": "containers.adp.0.metrics.0.other.content.timestamp"}, {"timestamp": "2025-04-16T19:30:12.404Z", "date_only": false, "value": "2025-04-16T19:30:12.404331Z", "kind": "other", "label": "Recorded", "source": "fkie_nvd \u00b7 FKIE_CVE-2025-3677", "record": "FKIE_CVE-2025-3677", "field": "metrics.ssvcV203.0.ssvcData.timestamp", "linked_record": true}, {"timestamp": "2025-04-16T19:30:23.078Z", "date_only": false, "value": "2025-04-16T19:30:23.078Z", "kind": "other", "label": "Updated", "source": "cvelistv5 / CISA-ADP", "record": "cve-2025-3677", "field": "containers.adp.0.providerMetadata.dateUpdated"}, {"timestamp": "2025-04-21T11:28:25.222Z", "date_only": false, "value": "2025-04-21T11:28:25.222Z", "kind": "other", "label": "Updated", "source": "cvelistv5", "record": "cve-2025-3677", "field": "cveMetadata.dateUpdated"}, {"timestamp": "2025-04-21T11:28:25.222Z", "date_only": false, "value": "2025-04-21T11:28:25.222Z", "kind": "other", "label": "Updated", "source": "cvelistv5 / VulDB", "record": "cve-2025-3677", "field": "containers.cna.providerMetadata.dateUpdated"}, {"timestamp": "2025-04-21T13:30:23Z", "date_only": false, "value": "2025-04-21T13:30:23.000Z", "kind": "other", "label": "Timeline", "source": "cvelistv5 / VulDB", "record": "cve-2025-3677", "field": "containers.cna.timeline.2.time", "text": "VulDB entry last update"}, {"timestamp": "2026-06-17T09:20:27.800Z", "date_only": false, "value": "2026-06-17T09:20:27.800", "kind": "other", "label": "Updated", "source": "fkie_nvd \u00b7 FKIE_CVE-2025-3677", "record": "FKIE_CVE-2025-3677", "field": "lastModified", "linked_record": true}], "metrics": {"as_of": "2026-11-15T09:54:21.036Z", "anchors": {"origin": {"timestamp": "2025-04-16T08:31:04.475Z", "date_only": false, "value": "2025-04-16T08:31:04.475Z", "kind": "milestone", "label": "Published", "source": "cvelistv5", "record": "cve-2025-3677", "field": "cveMetadata.datePublished", "metric_role": "disclosure", "metric_basis": "recorded_event"}, "discovery": null, "report": null, "acknowledgement": null, "disclosure": {"timestamp": "2025-04-16T08:31:04.475Z", "date_only": false, "value": "2025-04-16T08:31:04.475Z", "kind": "milestone", "label": "Published", "source": "cvelistv5", "record": "cve-2025-3677", "field": "cveMetadata.datePublished", "metric_role": "disclosure", "metric_basis": "recorded_event"}, "exploit_publication": {"timestamp": "2025-04-16T08:55:58Z", "date_only": false, "value": "2025-04-16T08:55:58.000000Z", "kind": "sighting", "label": "Published proof of concept", "source": "https://t.me/DarkWebInformer_CVEAlerts/11999", "record": "CVE-2025-3677", "field": "creation_timestamp", "uuid": "47b5fa70-105e-4543-886a-cf4849f12b9b", "content": "\ud83d\udd17 DarkWebInformer.com - Cyber Threat Intelligence\n\ud83d\udccc CVE ID: CVE-2025-3677\n\ud83d\udd25 CVSS Score: 4.8 (cvssV4_0, Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N)\n\ud83d\udd39 Description: A vulnerability classified as critical was found in lm-sys fastchat up to 0.2.36. This vulnerability affects the function split_files/apply_delta_low_cpu_mem of the file fastchat/model/apply_delta.py. The manipulation leads to deserialization. An attack has to be approached locally.\n\ud83d\udccf Published: 2025-04-16T08:31:04.475Z\n\ud83d\udccf Modified: 2025-04-16T08:31:04.475Z\n\ud83d\udd17 References:\n1. https://vuldb.com/?id.304966\n2. https://vuldb.com/?ctiid.304966\n3. https://vuldb.com/?submit.552755\n4. https://github.com/lm-sys/FastChat/issues/3713", "url": "https://t.me/DarkWebInformer_CVEAlerts/11999", "metric_role": "exploit_publication", "metric_basis": "sighting_report"}, "exploitation": null, "patch": null}, "vendor_response_time": {"available": false, "missing": ["start", "end"]}, "time_to_exploit": {"available": false, "missing": ["end"]}, "disclosure_to_exploit": {"available": false, "missing": ["end"]}, "disclosure_to_exploit_publication": {"available": true, "seconds": 1493.525, "hours": 0.41486805555555556, "days": 0.017286168981481484, "min_seconds": 1493.525, "max_seconds": 1493.525, "approximate": false, "ongoing": false, "order_known": true, "batch_listing": false, "end_before_start": false, "start": {"timestamp": "2025-04-16T08:31:04.475Z", "date_only": false, "value": "2025-04-16T08:31:04.475Z", "kind": "milestone", "label": "Published", "source": "cvelistv5", "record": "cve-2025-3677", "field": "cveMetadata.datePublished", "metric_role": "disclosure", "metric_basis": "recorded_event"}, "end": {"timestamp": "2025-04-16T08:55:58Z", "date_only": false, "value": "2025-04-16T08:55:58.000000Z", "kind": "sighting", "label": "Published proof of concept", "source": "https://t.me/DarkWebInformer_CVEAlerts/11999", "record": "CVE-2025-3677", "field": "creation_timestamp", "uuid": "47b5fa70-105e-4543-886a-cf4849f12b9b", "content": "\ud83d\udd17 DarkWebInformer.com - Cyber Threat Intelligence\n\ud83d\udccc CVE ID: CVE-2025-3677\n\ud83d\udd25 CVSS Score: 4.8 (cvssV4_0, Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N)\n\ud83d\udd39 Description: A vulnerability classified as critical was found in lm-sys fastchat up to 0.2.36. This vulnerability affects the function split_files/apply_delta_low_cpu_mem of the file fastchat/model/apply_delta.py. The manipulation leads to deserialization. An attack has to be approached locally.\n\ud83d\udccf Published: 2025-04-16T08:31:04.475Z\n\ud83d\udccf Modified: 2025-04-16T08:31:04.475Z\n\ud83d\udd17 References:\n1. https://vuldb.com/?id.304966\n2. https://vuldb.com/?ctiid.304966\n3. https://vuldb.com/?submit.552755\n4. https://github.com/lm-sys/FastChat/issues/3713", "url": "https://t.me/DarkWebInformer_CVEAlerts/11999", "metric_role": "exploit_publication", "metric_basis": "sighting_report"}}, "time_to_patch": {"available": false, "missing": ["start", "end"]}, "total_time_to_patch": {"available": false, "missing": ["start", "end"]}, "disclosure_to_patch": {"available": false, "missing": ["end"]}, "time_unpatched": {"available": true, "seconds": 49944196.561713, "hours": 13873.387933809166, "days": 578.057830575382, "min_seconds": 49944196.561713, "max_seconds": 49944196.561713, "approximate": false, "ongoing": true, "order_known": true, "batch_listing": false, "end_before_start": false, "start": {"timestamp": "2025-04-16T08:31:04.475Z", "date_only": false, "value": "2025-04-16T08:31:04.475Z", "kind": "milestone", "label": "Published", "source": "cvelistv5", "record": "cve-2025-3677", "field": "cveMetadata.datePublished", "metric_role": "disclosure", "metric_basis": "recorded_event"}, "end": {"timestamp": "2026-11-15T09:54:21.036Z", "date_only": false, "label": "As of", "source": "Calculation clock"}}, "exploitation_to_patch": {"available": false, "missing": ["start"]}, "exploit_publication_to_patch": {"available": true, "seconds": 49942703.036713, "hours": 13872.973065753611, "days": 578.0405444064004, "min_seconds": 49942703.036713, "max_seconds": 49942703.036713, "approximate": false, "ongoing": true, "order_known": true, "batch_listing": false, "end_before_start": false, "start": {"timestamp": "2025-04-16T08:55:58Z", "date_only": false, "value": "2025-04-16T08:55:58.000000Z", "kind": "sighting", "label": "Published proof of concept", "source": "https://t.me/DarkWebInformer_CVEAlerts/11999", "record": "CVE-2025-3677", "field": "creation_timestamp", "uuid": "47b5fa70-105e-4543-886a-cf4849f12b9b", "content": "\ud83d\udd17 DarkWebInformer.com - Cyber Threat Intelligence\n\ud83d\udccc CVE ID: CVE-2025-3677\n\ud83d\udd25 CVSS Score: 4.8 (cvssV4_0, Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N)\n\ud83d\udd39 Description: A vulnerability classified as critical was found in lm-sys fastchat up to 0.2.36. This vulnerability affects the function split_files/apply_delta_low_cpu_mem of the file fastchat/model/apply_delta.py. The manipulation leads to deserialization. An attack has to be approached locally.\n\ud83d\udccf Published: 2025-04-16T08:31:04.475Z\n\ud83d\udccf Modified: 2025-04-16T08:31:04.475Z\n\ud83d\udd17 References:\n1. https://vuldb.com/?id.304966\n2. https://vuldb.com/?ctiid.304966\n3. https://vuldb.com/?submit.552755\n4. https://github.com/lm-sys/FastChat/issues/3713", "url": "https://t.me/DarkWebInformer_CVEAlerts/11999", "metric_role": "exploit_publication", "metric_basis": "sighting_report"}, "end": {"timestamp": "2026-11-15T09:54:21.036Z", "date_only": false, "label": "As of", "source": "Calculation clock"}}}}