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VAR-202503-0215

Vulnerability from variot - Updated: 2025-04-16 23:22

A vulnerability, which was classified as critical, was found in Tenda AC7 up to 15.03.06.44. This affects the function formSetFirewallCfg of the file /goform/SetFirewallCfg. The manipulation of the argument firewallEn leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. Shenzhen Tenda Technology Co.,Ltd. of AC7 The firmware contains a buffer error vulnerability and a stack-based buffer overflow vulnerability.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state.

In Tenda AC7 15.03.06.44 and earlier versions, the formSetFirewallCfg function of the /goform/SetFirewallCfg file has a stack overflow vulnerability when processing the firewallEn parameter. The vulnerability is caused by the program's failure to check the parameter length. Attackers can use this vulnerability to launch attacks remotely and achieve code execution

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CVE-2025-1851 (GCVE-0-2025-1851)

Vulnerability from cvelistv5 – Published: 2025-03-03 05:00 – Updated: 2025-03-03 17:19

Title

Tenda AC7 SetFirewallCfg formSetFirewallCfg stack-based overflow

Summary

Severity

8.7 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

8.8 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

8.8 (High)


                        
                          CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

SSVC

Exploitation: poc Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-03-03 17:19 UTC

CWE

CWE-121 - Stack-based Buffer Overflow
CWE-119 - Memory Corruption

Assigner

VulDB CNA under the mitre root

CNA scorecard B 83/100 over 3841 records in the last 180 days details

References

5 references

URL	Tags
https://vuldb.com/?id.298119	vdb-entrytechnical-description
https://vuldb.com/?ctiid.298119	signaturepermissions-required
https://vuldb.com/?submit.505271	third-party-advisory
https://github.com/Raining-101/IOT_cve/blob/main/…	exploit
https://www.tenda.com.cn/	product

Impacted products

1 product

Vendor	Product	Version
Tenda	AC7	Affected: 15.03.06.0 Affected: 15.03.06.1 Affected: 15.03.06.2 Affected: 15.03.06.3 Affected: 15.03.06.4 Affected: 15.03.06.5 Affected: 15.03.06.6 Affected: 15.03.06.7 Affected: 15.03.06.8 Affected: 15.03.06.9 Affected: 15.03.06.10 Affected: 15.03.06.11 Affected: 15.03.06.12 Affected: 15.03.06.13 Affected: 15.03.06.14 Affected: 15.03.06.15 Affected: 15.03.06.16 Affected: 15.03.06.17 Affected: 15.03.06.18 Affected: 15.03.06.19 Affected: 15.03.06.20 Affected: 15.03.06.21 Affected: 15.03.06.22 Affected: 15.03.06.23 Affected: 15.03.06.24 Affected: 15.03.06.25 Affected: 15.03.06.26 Affected: 15.03.06.27 Affected: 15.03.06.28 Affected: 15.03.06.29 Affected: 15.03.06.30 Affected: 15.03.06.31 Affected: 15.03.06.32 Affected: 15.03.06.33 Affected: 15.03.06.34 Affected: 15.03.06.35 Affected: 15.03.06.36 Affected: 15.03.06.37 Affected: 15.03.06.38 Affected: 15.03.06.39 Affected: 15.03.06.40 Affected: 15.03.06.41 Affected: 15.03.06.42 Affected: 15.03.06.43 Affected: 15.03.06.44

Credits

Raining101 (VulDB User)

Show details on NVD website

JSON

To clipboard

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              "status": "affected",
              "version": "15.03.06.2"
            },
            {
              "status": "affected",
              "version": "15.03.06.3"
            },
            {
              "status": "affected",
              "version": "15.03.06.4"
            },
            {
              "status": "affected",
              "version": "15.03.06.5"
            },
            {
              "status": "affected",
              "version": "15.03.06.6"
            },
            {
              "status": "affected",
              "version": "15.03.06.7"
            },
            {
              "status": "affected",
              "version": "15.03.06.8"
            },
            {
              "status": "affected",
              "version": "15.03.06.9"
            },
            {
              "status": "affected",
              "version": "15.03.06.10"
            },
            {
              "status": "affected",
              "version": "15.03.06.11"
            },
            {
              "status": "affected",
              "version": "15.03.06.12"
            },
            {
              "status": "affected",
              "version": "15.03.06.13"
            },
            {
              "status": "affected",
              "version": "15.03.06.14"
            },
            {
              "status": "affected",
              "version": "15.03.06.15"
            },
            {
              "status": "affected",
              "version": "15.03.06.16"
            },
            {
              "status": "affected",
              "version": "15.03.06.17"
            },
            {
              "status": "affected",
              "version": "15.03.06.18"
            },
            {
              "status": "affected",
              "version": "15.03.06.19"
            },
            {
              "status": "affected",
              "version": "15.03.06.20"
            },
            {
              "status": "affected",
              "version": "15.03.06.21"
            },
            {
              "status": "affected",
              "version": "15.03.06.22"
            },
            {
              "status": "affected",
              "version": "15.03.06.23"
            },
            {
              "status": "affected",
              "version": "15.03.06.24"
            },
            {
              "status": "affected",
              "version": "15.03.06.25"
            },
            {
              "status": "affected",
              "version": "15.03.06.26"
            },
            {
              "status": "affected",
              "version": "15.03.06.27"
            },
            {
              "status": "affected",
              "version": "15.03.06.28"
            },
            {
              "status": "affected",
              "version": "15.03.06.29"
            },
            {
              "status": "affected",
              "version": "15.03.06.30"
            },
            {
              "status": "affected",
              "version": "15.03.06.31"
            },
            {
              "status": "affected",
              "version": "15.03.06.32"
            },
            {
              "status": "affected",
              "version": "15.03.06.33"
            },
            {
              "status": "affected",
              "version": "15.03.06.34"
            },
            {
              "status": "affected",
              "version": "15.03.06.35"
            },
            {
              "status": "affected",
              "version": "15.03.06.36"
            },
            {
              "status": "affected",
              "version": "15.03.06.37"
            },
            {
              "status": "affected",
              "version": "15.03.06.38"
            },
            {
              "status": "affected",
              "version": "15.03.06.39"
            },
            {
              "status": "affected",
              "version": "15.03.06.40"
            },
            {
              "status": "affected",
              "version": "15.03.06.41"
            },
            {
              "status": "affected",
              "version": "15.03.06.42"
            },
            {
              "status": "affected",
              "version": "15.03.06.43"
            },
            {
              "status": "affected",
              "version": "15.03.06.44"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "Raining101 (VulDB User)"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability, which was classified as critical, was found in Tenda AC7 up to 15.03.06.44. This affects the function formSetFirewallCfg of the file /goform/SetFirewallCfg. The manipulation of the argument firewallEn leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used."
        },
        {
          "lang": "de",
          "value": "Es wurde eine kritische Schwachstelle in Tenda AC7 bis 15.03.06.44 gefunden. Betroffen hiervon ist die Funktion formSetFirewallCfg der Datei /goform/SetFirewallCfg. Durch Manipulieren des Arguments firewallEn mit unbekannten Daten kann eine stack-based buffer overflow-Schwachstelle ausgenutzt werden. Umgesetzt werden kann der Angriff \u00fcber das Netzwerk. Der Exploit steht zur \u00f6ffentlichen Verf\u00fcgung."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "baseScore": 8.7,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
            "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-121",
              "description": "Stack-based Buffer Overflow",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-119",
              "description": "Memory Corruption",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-03-03T05:00:07.574Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
      },
      "references": [
        {
          "name": "VDB-298119 | Tenda AC7 SetFirewallCfg formSetFirewallCfg stack-based overflow",
          "tags": [
            "vdb-entry",
            "technical-description"
          ],
          "url": "https://vuldb.com/?id.298119"
        },
        {
          "name": "VDB-298119 | CTI Indicators (IOB, IOC, IOA)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/?ctiid.298119"
        },
        {
          "name": "Submit #505271 | Tenda ac7 V15.03.06.44 Buffer Overflow",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/?submit.505271"
        },
        {
          "tags": [
            "exploit"
          ],
          "url": "https://github.com/Raining-101/IOT_cve/blob/main/ac7_V15.03.06.44_SetFirewallCfg.md"
        },
        {
          "tags": [
            "product"
          ],
          "url": "https://www.tenda.com.cn/"
        }
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2025-03-02T00:00:00.000Z",
          "value": "Advisory disclosed"
        },
        {
          "lang": "en",
          "time": "2025-03-02T01:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2025-03-02T21:09:38.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "Tenda AC7 SetFirewallCfg formSetFirewallCfg stack-based overflow"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2025-1851",
    "datePublished": "2025-03-03T05:00:07.574Z",
    "dateReserved": "2025-03-02T20:04:35.439Z",
    "dateUpdated": "2025-03-03T17:19:41.764Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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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