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CVE-2025-4833 (GCVE-0-2025-4833)

Vulnerability from cvelistv5 – Published: 2025-05-17 17:31 – Updated: 2025-05-19 15:23
VLAI
Title
TOTOLINK A702R/A3002R/A3002RU HTTP POST Request formNtp buffer overflow
Summary
A vulnerability was found in TOTOLINK A702R, A3002R and A3002RU 3.0.0-B20230809.1615 and classified as critical. This issue affects some unknown processing of the file /boafrm/formNtp of the component HTTP POST Request Handler. The manipulation of the argument submit-url leads to buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-05-19 14:55 UTC
CWE
References
URL Tags
https://vuldb.com/?id.309299 vdb-entrytechnical-description
https://vuldb.com/?ctiid.309299 signaturepermissions-required
https://vuldb.com/?submit.574606 third-party-advisory
https://github.com/CH13hh/tmp_store_cc/blob/main/… broken-linkexploit
https://www.totolink.net/ product
Impacted products
Vendor Product Version CPE status
TOTOLINK A702R Affected: 3.0.0-B20230809.1615
guessed Create a notification for this product.
TOTOLINK A3002R Affected: 3.0.0-B20230809.1615
guessed Create a notification for this product.
TOTOLINK A3002RU Affected: 3.0.0-B20230809.1615
guessed Create a notification for this product.
Show details on NVD website

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                "version": "4.0"
              }
            },
            {
              "cvssV3_1": {
                "baseScore": 8.8,
                "baseSeverity": "HIGH",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                "version": "3.1"
              }
            },
            {
              "cvssV3_0": {
                "baseScore": 8.8,
                "baseSeverity": "HIGH",
                "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                "version": "3.0"
              }
            },
            {
              "cvssV2_0": {
                "baseScore": 9,
                "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C",
                "version": "2.0"
              }
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-120",
                  "description": "Buffer Overflow",
                  "lang": "en",
                  "type": "CWE"
                }
              ]
            },
            {
              "descriptions": [
                {
                  "cweId": "CWE-119",
                  "description": "Memory Corruption",
                  "lang": "en",
                  "type": "CWE"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2025-05-17T17:31:05.428Z",
            "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
            "shortName": "VulDB"
          },
          "references": [
            {
              "name": "VDB-309299 | TOTOLINK A702R/A3002R/A3002RU HTTP POST Request formNtp buffer overflow",
              "tags": [
                "vdb-entry",
                "technical-description"
              ],
              "url": "https://vuldb.com/?id.309299"
            },
            {
              "name": "VDB-309299 | CTI Indicators (IOB, IOC, IOA)",
              "tags": [
                "signature",
                "permissions-required"
              ],
              "url": "https://vuldb.com/?ctiid.309299"
            },
            {
              "name": "Submit #574606 | TOTOLINK A3002RU V2 /A3002R_V2 /A3002R_V4 /A3002RU_V3/ A702R V3.0.0-B20230809.1615 Buffer Overflow",
              "tags": [
                "third-party-advisory"
              ],
              "url": "https://vuldb.com/?submit.574606"
            },
            {
              "tags": [
                "broken-link",
                "exploit"
              ],
              "url": "https://github.com/CH13hh/tmp_store_cc/blob/main/toto/11.md"
            },
            {
              "tags": [
                "product"
              ],
              "url": "https://www.totolink.net/"
            }
          ],
          "timeline": [
            {
              "lang": "en",
              "time": "2025-05-16T00:00:00.000Z",
              "value": "Advisory disclosed"
            },
            {
              "lang": "en",
              "time": "2025-05-16T02:00:00.000Z",
              "value": "VulDB entry created"
            },
            {
              "lang": "en",
              "time": "2025-05-16T16:29:02.000Z",
              "value": "VulDB entry last update"
            }
          ],
          "title": "TOTOLINK A702R/A3002R/A3002RU HTTP POST Request formNtp buffer overflow"
        }
      },
      "cveMetadata": {
        "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "assignerShortName": "VulDB",
        "cveId": "CVE-2025-4833",
        "datePublished": "2025-05-17T17:31:05.428Z",
        "dateReserved": "2025-05-16T14:23:46.360Z",
        "dateUpdated": "2025-05-19T15:23:40.711Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}



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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

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.

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Detection rules are retrieved from Rulezet.

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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.


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