CVE-2026-1949 (GCVE-0-2026-1949)

Vulnerability from cvelistv5 – Published: 2026-04-24 05:50 – Updated: 2026-04-24 15:27
VLAI?
Title
Incorrect calculation of buffer size on the stack in AS320T
Summary
Delta Electronics AS320T has incorrect calculation of the buffer size on the stack in the GET/PUT request handler of the web service.
CWE
  • CWE-131 - Incorrect Calculation of Buffer Size
Assigner
Impacted products
Vendor Product Version
DeltaWW AS320T Affected: 0 , ≤ 1.14 (custom)
Create a notification for this product.
Date Public ?
2026-04-24 05:26
Credits
Sergey Fedonin and Ivan Kurnakov (Positive Technologies)
Show details on NVD website

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-1949",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-04-24T15:26:55.912129Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-04-24T15:27:12.043Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "AS320T",
          "vendor": "DeltaWW",
          "versions": [
            {
              "lessThanOrEqual": "1.14",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:a:deltaww:as320t:*:*:*:*:*:*:*:*",
                  "versionEndIncluding": "1.14",
                  "versionStartIncluding": "0",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ],
          "operator": "OR"
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "Sergey Fedonin and Ivan Kurnakov (Positive Technologies)"
        }
      ],
      "datePublic": "2026-04-24T05:26:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "Delta Electronics AS320T has incorrect calculation of the buffer size on the stack in the GET/PUT request handler of the web service."
            }
          ],
          "value": "Delta Electronics AS320T has incorrect calculation of the buffer size on the stack in the GET/PUT request handler of the web service."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-100",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-100: Overflow Buffers"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-131",
              "description": "CWE-131 Incorrect Calculation of Buffer Size",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-04-24T05:50:48.468Z",
        "orgId": "759f5e80-c8e1-4224-bead-956d7b33c98b",
        "shortName": "Deltaww"
      },
      "references": [
        {
          "url": "https://filecenter.deltaww.com/news/download/doc/Delta-PCSA-2026-00006_AS320T%20Multiple%20vulnerabilities%20(CVE-2026-1949,%201950,%201951,%201952).pdf"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "Upgrade firmware to v1.16 or later\u003cbr\u003e"
            }
          ],
          "value": "Upgrade firmware to v1.16 or later"
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "title": "Incorrect calculation of buffer size on the stack in AS320T",
      "x_generator": {
        "engine": "Vulnogram 0.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "759f5e80-c8e1-4224-bead-956d7b33c98b",
    "assignerShortName": "Deltaww",
    "cveId": "CVE-2026-1949",
    "datePublished": "2026-04-24T05:50:48.468Z",
    "dateReserved": "2026-02-05T05:42:58.810Z",
    "dateUpdated": "2026-04-24T15:27:12.043Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-1949",
      "date": "2026-04-24",
      "epss": "0.00019",
      "percentile": "0.05075"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-1949\",\"sourceIdentifier\":\"759f5e80-c8e1-4224-bead-956d7b33c98b\",\"published\":\"2026-04-24T06:16:03.883\",\"lastModified\":\"2026-04-24T14:39:28.770\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Delta Electronics AS320T has incorrect calculation of the buffer size on the stack in the GET/PUT request handler of the web service.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"759f5e80-c8e1-4224-bead-956d7b33c98b\",\"type\":\"Secondary\",\"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}]},\"weaknesses\":[{\"source\":\"759f5e80-c8e1-4224-bead-956d7b33c98b\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-131\"}]}],\"references\":[{\"url\":\"https://filecenter.deltaww.com/news/download/doc/Delta-PCSA-2026-00006_AS320T%20Multiple%20vulnerabilities%20(CVE-2026-1949,%201950,%201951,%201952).pdf\",\"source\":\"759f5e80-c8e1-4224-bead-956d7b33c98b\"}]}}",
    "vulnrichment": {
      "containers": "{\"cna\": {\"providerMetadata\": {\"orgId\": \"759f5e80-c8e1-4224-bead-956d7b33c98b\", \"shortName\": \"Deltaww\", \"dateUpdated\": \"2026-04-24T05:50:48.468Z\"}, \"title\": \"Incorrect calculation of buffer size on the stack in AS320T\", \"datePublic\": \"2026-04-24T05:26:00.000Z\", \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"cweId\": \"CWE-131\", \"description\": \"CWE-131 Incorrect Calculation of Buffer Size\", \"type\": \"CWE\"}]}], \"impacts\": [{\"capecId\": \"CAPEC-100\", \"descriptions\": [{\"lang\": \"en\", \"value\": \"CAPEC-100: Overflow Buffers\"}]}], \"affected\": [{\"vendor\": \"DeltaWW\", \"product\": \"AS320T\", \"versions\": [{\"status\": \"affected\", \"version\": \"0\", \"lessThanOrEqual\": \"1.14\", \"versionType\": \"custom\"}], \"defaultStatus\": \"unaffected\"}], \"cpeApplicability\": [{\"operator\": \"OR\", \"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:deltaww:as320t:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"0\", \"versionEndIncluding\": \"1.14\"}]}]}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"Delta Electronics AS320T has incorrect calculation of the buffer size on the stack in the GET/PUT request handler of the web service.\", \"supportingMedia\": [{\"type\": \"text/html\", \"base64\": false, \"value\": \"Delta Electronics AS320T has incorrect calculation of the buffer size on the stack in the GET/PUT request handler of the web service.\"}]}], \"references\": [{\"url\": \"https://filecenter.deltaww.com/news/download/doc/Delta-PCSA-2026-00006_AS320T%20Multiple%20vulnerabilities%20(CVE-2026-1949,%201950,%201951,%201952).pdf\"}], \"metrics\": [{\"format\": \"CVSS\", \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}], \"cvssV3_1\": {\"version\": \"3.1\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"HIGH\", \"availabilityImpact\": \"HIGH\", \"baseSeverity\": \"CRITICAL\", \"baseScore\": 9.8, \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\"}}], \"solutions\": [{\"lang\": \"en\", \"value\": \"Upgrade firmware to v1.16 or later\", \"supportingMedia\": [{\"type\": \"text/html\", \"base64\": false, \"value\": \"Upgrade firmware to v1.16 or later\u003cbr\u003e\"}]}], \"credits\": [{\"lang\": \"en\", \"value\": \"Sergey Fedonin and Ivan Kurnakov (Positive Technologies)\", \"type\": \"reporter\"}], \"source\": {\"discovery\": \"EXTERNAL\"}, \"x_generator\": {\"engine\": \"Vulnogram 0.2.0\"}}, \"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-1949\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"yes\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-04-24T15:26:55.912129Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-04-24T15:27:03.572Z\"}}]}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-1949\", \"assignerOrgId\": \"759f5e80-c8e1-4224-bead-956d7b33c98b\", \"state\": \"PUBLISHED\", \"assignerShortName\": \"Deltaww\", \"dateReserved\": \"2026-02-05T05:42:58.810Z\", \"datePublished\": \"2026-04-24T05:50:48.468Z\", \"dateUpdated\": \"2026-04-24T15:27:12.043Z\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

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.


Loading…

Detection rules are retrieved from Rulezet.

Loading…

Loading…