GCVE Workshop - 22 September 2026 (14:00-18:00), Luxembourg Before The Vulnopticon Conference - Registration

CERTFR-2026-AVI-0491

Vulnerability from certfr_avis - Published: 2026-04-24 - Updated: 2026-04-24

De multiples vulnérabilités ont été découvertes dans Synology DSM. Certaines d'entre elles permettent à un attaquant de provoquer un déni de service à distance, une atteinte à la confidentialité des données et une atteinte à l'intégrité des données.

Solutions

Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).

Impacted products
Vendor Product Description
Synology DSM DSM versions 7.2.1-x antérieures à 7.2.1-69057-10
Synology DSM DSM versions 7.3.2-x antérieures à 7.3.2-86009-2
Synology DSM DSM versions 7.2.2-x antérieures à 7.2.2-72806-7
References

Show details on source website
To clipboard 

{
  "$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
  "affected_systems": [
    {
      "description": "DSM versions 7.2.1-x ant\u00e9rieures \u00e0 7.2.1-69057-10",
      "product": {
        "name": "DSM",
        "vendor": {
          "name": "Synology",
          "scada": false
        }
      }
    },
    {
      "description": "DSM versions 7.3.2-x ant\u00e9rieures \u00e0 7.3.2-86009-2",
      "product": {
        "name": "DSM",
        "vendor": {
          "name": "Synology",
          "scada": false
        }
      }
    },
    {
      "description": "DSM versions 7.2.2-x ant\u00e9rieures \u00e0 7.2.2-72806-7",
      "product": {
        "name": "DSM",
        "vendor": {
          "name": "Synology",
          "scada": false
        }
      }
    }
  ],
  "affected_systems_content": "",
  "content": "## Solutions\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des correctifs (cf. section Documentation).",
  "cves": [
    {
      "name": "CVE-2026-40532",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-40532"
    },
    {
      "name": "CVE-2026-40539",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-40539"
    },
    {
      "name": "CVE-2026-40531",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-40531"
    },
    {
      "name": "CVE-2026-40530",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-40530"
    },
    {
      "name": "CVE-2026-40537",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-40537"
    },
    {
      "name": "CVE-2026-40533",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-40533"
    },
    {
      "name": "CVE-2026-40534",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-40534"
    },
    {
      "name": "CVE-2026-40536",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-40536"
    },
    {
      "name": "CVE-2026-40540",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-40540"
    },
    {
      "name": "CVE-2026-40538",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-40538"
    },
    {
      "name": "CVE-2026-4036",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-4036"
    },
    {
      "name": "CVE-2026-40535",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-40535"
    }
  ],
  "initial_release_date": "2026-04-24T00:00:00",
  "last_revision_date": "2026-04-24T00:00:00",
  "links": [],
  "reference": "CERTFR-2026-AVI-0491",
  "revisions": [
    {
      "description": "Version initiale",
      "revision_date": "2026-04-24T00:00:00.000000"
    }
  ],
  "risks": [
    {
      "description": "D\u00e9ni de service \u00e0 distance"
    },
    {
      "description": "Injection de code indirecte \u00e0 distance (XSS)"
    },
    {
      "description": "Atteinte \u00e0 l\u0027int\u00e9grit\u00e9 des donn\u00e9es"
    },
    {
      "description": "Injection SQL (SQLi)"
    },
    {
      "description": "Falsification de requ\u00eates c\u00f4t\u00e9 serveur (SSRF)"
    },
    {
      "description": "Contournement de la politique de s\u00e9curit\u00e9"
    },
    {
      "description": "Atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es"
    }
  ],
  "summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans Synology DSM. Certaines d\u0027entre elles permettent \u00e0 un attaquant de provoquer un d\u00e9ni de service \u00e0 distance, une atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es et une atteinte \u00e0 l\u0027int\u00e9grit\u00e9 des donn\u00e9es.",
  "title": "Multiples vuln\u00e9rabilit\u00e9s dans Synology DSM",
  "vendor_advisories": [
    {
      "published_at": "2026-04-15",
      "title": "Bulletin de s\u00e9curit\u00e9 Synology Synology_SA_26_07",
      "url": "https://www.synology.com/en-global/security/advisory/Synology_SA_26_07"
    },
    {
      "published_at": "2026-04-15",
      "title": "Bulletin de s\u00e9curit\u00e9 Synology Synology_SA_26_06",
      "url": "https://www.synology.com/en-global/security/advisory/Synology_SA_26_06"
    }
  ]
}



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.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.