CVE-2026-42800 (GCVE-0-2026-42800)

Vulnerability from cvelistv5 – Published: 2026-04-30 08:52 – Updated: 2026-04-30 13:04
VLAI?
Title
Deference after null check in ims_client sip
Summary
NULL pointer dereference vulnerability in ASR1903 in ASR Lapwing_Linux on Linux (ims_client modules) allows Pointer Manipulation. This vulnerability is associated with program files sip/utils/src/sipuri.c.
Severity ?
7.4 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L
CWE
  • CWE-476 - NULL pointer dereference
Assigner
ASR
References
Impacted products
Vendor Product Version
ASR Lapwing_Linux Unaffected: 0 , < 2026/4/14 (date)
Create a notification for this product.
Date Public ?
2026-04-30 08:00
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-42800",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-04-30T13:03:47.919922Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-04-30T13:04:12.990Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "modules": [
            "ims_client"
          ],
          "platforms": [
            "Linux"
          ],
          "product": "Lapwing_Linux",
          "programFiles": [
            "sip/utils/src/sipuri.c"
          ],
          "vendor": "ASR",
          "versions": [
            {
              "lessThan": "2026/4/14",
              "status": "unaffected",
              "version": "0",
              "versionType": "date"
            }
          ]
        }
      ],
      "datePublic": "2026-04-30T08:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "NULL pointer dereference vulnerability in ASR1903 in ASR Lapwing_Linux on Linux (ims_client modules) allows Pointer Manipulation.\u003cp\u003e This vulnerability is associated with program files sip/utils/src/sipuri.c.\u003c/p\u003e"
            }
          ],
          "value": "NULL pointer dereference vulnerability in ASR1903 in ASR Lapwing_Linux on Linux (ims_client modules) allows Pointer Manipulation.\n\n This vulnerability is associated with program files sip/utils/src/sipuri.c."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-129",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-129 Pointer Manipulation"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 7.4,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-476",
              "description": "CWE-476 NULL pointer dereference",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-04-30T08:52:01.816Z",
        "orgId": "68630edc-a58c-4cbd-9b01-0e130455c8ae",
        "shortName": "ASR"
      },
      "references": [
        {
          "url": "https://www.asrmicro.com/en/goods/psirt?cid=44"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Deference after null check in ims_client sip",
      "x_generator": {
        "engine": "Vulnogram 1.0.2"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "68630edc-a58c-4cbd-9b01-0e130455c8ae",
    "assignerShortName": "ASR",
    "cveId": "CVE-2026-42800",
    "datePublished": "2026-04-30T08:52:01.816Z",
    "dateReserved": "2026-04-30T07:55:02.475Z",
    "dateUpdated": "2026-04-30T13:04:12.990Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-42800",
      "date": "2026-05-08",
      "epss": "0.00014",
      "percentile": "0.02898"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-42800\",\"sourceIdentifier\":\"68630edc-a58c-4cbd-9b01-0e130455c8ae\",\"published\":\"2026-04-30T10:16:02.203\",\"lastModified\":\"2026-05-05T02:54:21.057\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"NULL pointer dereference vulnerability in ASR1903 in ASR Lapwing_Linux on Linux (ims_client modules) allows Pointer Manipulation.\\n\\n This vulnerability is associated with program files sip/utils/src/sipuri.c.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"68630edc-a58c-4cbd-9b01-0e130455c8ae\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L\",\"baseScore\":7.4,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"LOW\"},\"exploitabilityScore\":3.1,\"impactScore\":3.7},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L\",\"baseScore\":5.3,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"LOW\"},\"exploitabilityScore\":3.9,\"impactScore\":1.4}]},\"weaknesses\":[{\"source\":\"68630edc-a58c-4cbd-9b01-0e130455c8ae\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-476\"}]}],\"configurations\":[{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:asrmicro:asr1901_firmware:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"1.225.003\",\"matchCriteriaId\":\"A8F18E9B-21A2-4A68-BE60-335150C4461A\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:asrmicro:asr1901:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"A4D3C8A7-2C61-4D2C-9BA9-381BE1D3FF51\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:asrmicro:asr1903_firmware:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"1.225.003\",\"matchCriteriaId\":\"8A740613-BAF0-4C91-865E-B9D2E60DBD67\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:asrmicro:asr1903:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"1A8414CE-17FC-4F24-8434-4D4B80954624\"}]}]}],\"references\":[{\"url\":\"https://www.asrmicro.com/en/goods/psirt?cid=44\",\"source\":\"68630edc-a58c-4cbd-9b01-0e130455c8ae\",\"tags\":[\"Vendor Advisory\"]}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-42800\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-04-30T13:03:47.919922Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-04-30T13:04:10.088Z\"}}], \"cna\": {\"title\": \"Deference after null check in ims_client sip\", \"source\": {\"discovery\": \"UNKNOWN\"}, \"impacts\": [{\"capecId\": \"CAPEC-129\", \"descriptions\": [{\"lang\": \"en\", \"value\": \"CAPEC-129 Pointer Manipulation\"}]}], \"metrics\": [{\"format\": \"CVSS\", \"cvssV3_1\": {\"scope\": \"CHANGED\", \"version\": \"3.1\", \"baseScore\": 7.4, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L\", \"integrityImpact\": \"LOW\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"LOW\", \"privilegesRequired\": \"LOW\", \"confidentialityImpact\": \"LOW\"}, \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}], \"affected\": [{\"vendor\": \"ASR\", \"modules\": [\"ims_client\"], \"product\": \"Lapwing_Linux\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"2026/4/14\", \"versionType\": \"date\"}], \"platforms\": [\"Linux\"], \"programFiles\": [\"sip/utils/src/sipuri.c\"], \"defaultStatus\": \"unaffected\"}], \"datePublic\": \"2026-04-30T08:00:00.000Z\", \"references\": [{\"url\": \"https://www.asrmicro.com/en/goods/psirt?cid=44\"}], \"x_generator\": {\"engine\": \"Vulnogram 1.0.2\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"NULL pointer dereference vulnerability in ASR1903 in ASR Lapwing_Linux on Linux (ims_client modules) allows Pointer Manipulation.\\n\\n This vulnerability is associated with program files sip/utils/src/sipuri.c.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"NULL pointer dereference vulnerability in ASR1903 in ASR Lapwing_Linux on Linux (ims_client modules) allows Pointer Manipulation.\u003cp\u003e This vulnerability is associated with program files sip/utils/src/sipuri.c.\u003c/p\u003e\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-476\", \"description\": \"CWE-476 NULL pointer dereference\"}]}], \"providerMetadata\": {\"orgId\": \"68630edc-a58c-4cbd-9b01-0e130455c8ae\", \"shortName\": \"ASR\", \"dateUpdated\": \"2026-04-30T08:52:01.816Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-42800\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-04-30T13:04:12.990Z\", \"dateReserved\": \"2026-04-30T07:55:02.475Z\", \"assignerOrgId\": \"68630edc-a58c-4cbd-9b01-0e130455c8ae\", \"datePublished\": \"2026-04-30T08:52:01.816Z\", \"assignerShortName\": \"ASR\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




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

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.



Detection rules are retrieved from Rulezet.