CVE-2026-7248 (GCVE-0-2026-7248)
Vulnerability from cvelistv5 – Published: 2026-04-28 08:45 – Updated: 2026-04-28 08:45
VLAI?
Title
D-Link DI-8100 CGI Endpoint tgfile.htm tgfile_htm buffer overflow
Summary
A vulnerability was found in D-Link DI-8100 16.07.26A1. This affects the function tgfile_htm of the file tgfile.htm of the component CGI Endpoint. The manipulation of the argument fn results in buffer overflow. The attack can be executed remotely. The exploit has been made public and could be used.
Severity ?
9.8 (Critical)
9.8 (Critical)
Assigner
References
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Credits
{
"containers": {
"cna": {
"affected": [
{
"modules": [
"CGI Endpoint"
],
"product": "DI-8100",
"vendor": "D-Link",
"versions": [
{
"status": "affected",
"version": "16.07.26A1"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "draw (VulDB User)"
}
],
"descriptions": [
{
"lang": "en",
"value": "A vulnerability was found in D-Link DI-8100 16.07.26A1. This affects the function tgfile_htm of the file tgfile.htm of the component CGI Endpoint. The manipulation of the argument fn results in buffer overflow. The attack can be executed remotely. The exploit has been made public and could be used."
}
],
"metrics": [
{
"cvssV4_0": {
"baseScore": 9.3,
"baseSeverity": "CRITICAL",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P",
"version": "4.0"
}
},
{
"cvssV3_1": {
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R",
"version": "3.1"
}
},
{
"cvssV3_0": {
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R",
"version": "3.0"
}
},
{
"cvssV2_0": {
"baseScore": 10,
"vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C/E:POC/RL:ND/RC:UR",
"version": "2.0"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-120",
"description": "Buffer Overflow",
"lang": "en",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-119",
"description": "Memory Corruption",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-04-28T08:45:12.356Z",
"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"shortName": "VulDB"
},
"references": [
{
"name": "VDB-359857 | D-Link DI-8100 CGI Endpoint tgfile.htm tgfile_htm buffer overflow",
"tags": [
"vdb-entry",
"technical-description"
],
"url": "https://vuldb.com/vuln/359857"
},
{
"name": "VDB-359857 | CTI Indicators (IOB, IOC, IOA)",
"tags": [
"signature",
"permissions-required"
],
"url": "https://vuldb.com/vuln/359857/cti"
},
{
"name": "Submit #802869 | D-Link DI-8100 16.07.26A1 Denial of Service",
"tags": [
"third-party-advisory"
],
"url": "https://vuldb.com/submit/802869"
},
{
"tags": [
"exploit"
],
"url": "https://github.com/draw-ctf/report/blob/main/DI-8100/DI-8100_tgfile_htm_overflow.md"
},
{
"tags": [
"product"
],
"url": "https://www.dlink.com/"
}
],
"timeline": [
{
"lang": "en",
"time": "2026-04-27T00:00:00.000Z",
"value": "Advisory disclosed"
},
{
"lang": "en",
"time": "2026-04-27T02:00:00.000Z",
"value": "VulDB entry created"
},
{
"lang": "en",
"time": "2026-04-27T19:49:23.000Z",
"value": "VulDB entry last update"
}
],
"title": "D-Link DI-8100 CGI Endpoint tgfile.htm tgfile_htm buffer overflow"
}
},
"cveMetadata": {
"assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"assignerShortName": "VulDB",
"cveId": "CVE-2026-7248",
"datePublished": "2026-04-28T08:45:12.356Z",
"dateReserved": "2026-04-27T17:44:14.172Z",
"dateUpdated": "2026-04-28T08:45:12.356Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2026-7248",
"date": "2026-04-28",
"epss": "0.00061",
"percentile": "0.1874"
},
"nvd": "{\"cve\":{\"id\":\"CVE-2026-7248\",\"sourceIdentifier\":\"cna@vuldb.com\",\"published\":\"2026-04-28T09:16:18.280\",\"lastModified\":\"2026-04-28T20:25:44.987\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"A vulnerability was found in D-Link DI-8100 16.07.26A1. This affects the function tgfile_htm of the file tgfile.htm of the component CGI Endpoint. The manipulation of the argument fn results in buffer overflow. The attack can be executed remotely. The exploit has been made public and could be used.\"}],\"metrics\":{\"cvssMetricV40\":[{\"source\":\"cna@vuldb.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"4.0\",\"vectorString\":\"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/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\",\"baseScore\":8.9,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"attackRequirements\":\"NONE\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"vulnConfidentialityImpact\":\"HIGH\",\"vulnIntegrityImpact\":\"HIGH\",\"vulnAvailabilityImpact\":\"HIGH\",\"subConfidentialityImpact\":\"NONE\",\"subIntegrityImpact\":\"NONE\",\"subAvailabilityImpact\":\"NONE\",\"exploitMaturity\":\"PROOF_OF_CONCEPT\",\"confidentialityRequirement\":\"NOT_DEFINED\",\"integrityRequirement\":\"NOT_DEFINED\",\"availabilityRequirement\":\"NOT_DEFINED\",\"modifiedAttackVector\":\"NOT_DEFINED\",\"modifiedAttackComplexity\":\"NOT_DEFINED\",\"modifiedAttackRequirements\":\"NOT_DEFINED\",\"modifiedPrivilegesRequired\":\"NOT_DEFINED\",\"modifiedUserInteraction\":\"NOT_DEFINED\",\"modifiedVulnConfidentialityImpact\":\"NOT_DEFINED\",\"modifiedVulnIntegrityImpact\":\"NOT_DEFINED\",\"modifiedVulnAvailabilityImpact\":\"NOT_DEFINED\",\"modifiedSubConfidentialityImpact\":\"NOT_DEFINED\",\"modifiedSubIntegrityImpact\":\"NOT_DEFINED\",\"modifiedSubAvailabilityImpact\":\"NOT_DEFINED\",\"Safety\":\"NOT_DEFINED\",\"Automatable\":\"NOT_DEFINED\",\"Recovery\":\"NOT_DEFINED\",\"valueDensity\":\"NOT_DEFINED\",\"vulnerabilityResponseEffort\":\"NOT_DEFINED\",\"providerUrgency\":\"NOT_DEFINED\"}}],\"cvssMetricV31\":[{\"source\":\"cna@vuldb.com\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":9.8,\"baseSeverity\":\"CRITICAL\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":5.9}],\"cvssMetricV2\":[{\"source\":\"cna@vuldb.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:C/I:C/A:C\",\"baseScore\":10.0,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"COMPLETE\",\"integrityImpact\":\"COMPLETE\",\"availabilityImpact\":\"COMPLETE\"},\"baseSeverity\":\"HIGH\",\"exploitabilityScore\":10.0,\"impactScore\":10.0,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"cna@vuldb.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-119\"},{\"lang\":\"en\",\"value\":\"CWE-120\"}]}],\"references\":[{\"url\":\"https://github.com/draw-ctf/report/blob/main/DI-8100/DI-8100_tgfile_htm_overflow.md\",\"source\":\"cna@vuldb.com\"},{\"url\":\"https://vuldb.com/submit/802869\",\"source\":\"cna@vuldb.com\"},{\"url\":\"https://vuldb.com/vuln/359857\",\"source\":\"cna@vuldb.com\"},{\"url\":\"https://vuldb.com/vuln/359857/cti\",\"source\":\"cna@vuldb.com\"},{\"url\":\"https://www.dlink.com/\",\"source\":\"cna@vuldb.com\"}]}}"
}
}
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Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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