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CVE-2026-86296 (GCVE-0-2026-86296)

Vulnerability from cvelistv5 – Published: 2026-09-07 10:30 – Updated: 2026-09-07 10:30
VLAI
Title
D-Link DIR-822A udhcpcd serverpacket.c strcpy stack-based overflow
Summary
A vulnerability was determined in D-Link DIR-822A A_101. This vulnerability affects the function strcpy of the file udhcpcd/serverpacket.c of the component udhcpcd. This manipulation causes stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized.
CWE
References
Impacted products
Vendor Product Version CPE status
D-Link DIR-822A Affected: A_101
    cpe:2.3:h:d-link:dir-822a:*:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

{
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          ],
          "modules": [
            "udhcpcd"
          ],
          "product": "DIR-822A",
          "vendor": "D-Link",
          "versions": [
            {
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              "version": "A_101"
            }
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          "type": "reporter",
          "value": "tian (VulDB User)"
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        }
      ],
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          "tags": [
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          "tags": [
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          "url": "https://vuldb.com/vuln/399458/cti"
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        {
          "name": "CVE-2026-86296 | CVE Analysis and Report",
          "tags": [
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          ],
          "url": "https://vuldb.com/cve/CVE-2026-86296"
        },
        {
          "name": "Submit #906297 | D-Link DIR822A_101 A_101 Stack-based Buffer Overflow",
          "tags": [
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          "url": "https://vuldb.com/submit/906297"
        },
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          "url": "https://tzh00203.notion.site/D-Link-DIR-822A-Stack-Overflow-in-udhcpd-TR-111-Option-125-Parsing-33cb5c52018a80238b80e89e7c7c68f0"
        },
        {
          "tags": [
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          "url": "https://www.dlink.com/"
        }
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          "time": "2026-09-06T00:00:00.000Z",
          "value": "Advisory disclosed"
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        {
          "lang": "en",
          "time": "2026-09-06T02:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2026-09-06T18:20:10.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "D-Link DIR-822A udhcpcd serverpacket.c strcpy stack-based overflow",
      "x_generator": [
        "VulDB PVTS v202609"
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2026-86296",
    "datePublished": "2026-09-07T10:30:08.515Z",
    "dateReserved": "2026-09-06T16:15:06.544Z",
    "dateUpdated": "2026-09-07T10:30:08.515Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
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  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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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.
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  • 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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