CVE-2026-4181 (GCVE-0-2026-4181)
Vulnerability from cvelistv5 – Published: 2026-03-15 16:02 – Updated: 2026-03-15 16:02 Unsupported When Assigned
VLAI?
Title
D-Link DIR-816 goahead form2RepeaterStep2.cgi stack-based overflow
Summary
A security flaw has been discovered in D-Link DIR-816 1.10CNB05. This affects an unknown function of the file /goform/form2RepeaterStep2.cgi of the component goahead. The manipulation of the argument key1/key2/key3/key4/pskValue results in stack-based buffer overflow. The attack may be launched remotely. The exploit has been released to the public and may be used for attacks. This vulnerability only affects products that are no longer supported by the maintainer.
Severity ?
9.8 (Critical)
9.8 (Critical)
Assigner
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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Credits
pjqwudi (VulDB User)
{
"containers": {
"cna": {
"affected": [
{
"modules": [
"goahead"
],
"product": "DIR-816",
"vendor": "D-Link",
"versions": [
{
"status": "affected",
"version": "1.10CNB05"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "pjqwudi (VulDB User)"
}
],
"descriptions": [
{
"lang": "en",
"value": "A security flaw has been discovered in D-Link DIR-816 1.10CNB05. This affects an unknown function of the file /goform/form2RepeaterStep2.cgi of the component goahead. The manipulation of the argument key1/key2/key3/key4/pskValue results in stack-based buffer overflow. The attack may be launched remotely. The exploit has been released to the public and may be used for attacks. This vulnerability only affects products that are no longer supported by the maintainer."
}
],
"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-121",
"description": "Stack-based Buffer Overflow",
"lang": "en",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-119",
"description": "Memory Corruption",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-03-15T16:02:10.609Z",
"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"shortName": "VulDB"
},
"references": [
{
"name": "VDB-351085 | D-Link DIR-816 goahead form2RepeaterStep2.cgi stack-based overflow",
"tags": [
"vdb-entry",
"technical-description"
],
"url": "https://vuldb.com/?id.351085"
},
{
"name": "VDB-351085 | CTI Indicators (IOB, IOC, IOA)",
"tags": [
"signature",
"permissions-required"
],
"url": "https://vuldb.com/?ctiid.351085"
},
{
"name": "Submit #769829 | D-Link DIR816 1.10CNB05 Stack-based Buffer Overflow",
"tags": [
"third-party-advisory"
],
"url": "https://vuldb.com/?submit.769829"
},
{
"tags": [
"exploit"
],
"url": "https://github.com/wudipjq/my_vuln/blob/main/D-Link7/vuln_85/85.md"
},
{
"tags": [
"product"
],
"url": "https://www.dlink.com/"
}
],
"tags": [
"unsupported-when-assigned"
],
"timeline": [
{
"lang": "en",
"time": "2026-03-14T00:00:00.000Z",
"value": "Advisory disclosed"
},
{
"lang": "en",
"time": "2026-03-14T01:00:00.000Z",
"value": "VulDB entry created"
},
{
"lang": "en",
"time": "2026-03-14T23:02:15.000Z",
"value": "VulDB entry last update"
}
],
"title": "D-Link DIR-816 goahead form2RepeaterStep2.cgi stack-based overflow"
}
},
"cveMetadata": {
"assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"assignerShortName": "VulDB",
"cveId": "CVE-2026-4181",
"datePublished": "2026-03-15T16:02:10.609Z",
"dateReserved": "2026-03-14T21:56:59.156Z",
"dateUpdated": "2026-03-15T16:02:10.609Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
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Sightings
| Author | Source | Type | Date |
|---|
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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