Vulnerability-Lookup

VAR-202309-0136

Vulnerability from variot - Updated: 2025-11-19 23:23

A vulnerability was found in Tenda AC8 16.03.34.06_cn_TDC01. It has been declared as critical. Affected by this vulnerability is the function formSetDeviceName. The manipulation leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-238633 was assigned to this vulnerability. of AC8 An out-of-bounds write vulnerability exists in firmware.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. The Tenda AC8 is a dual-gigabit wireless router designed for homes with fiber optic connections up to 1000 Mbps. It supports IPv6 and features intelligent network management.

The Tenda AC8 suffers from a stack buffer overflow vulnerability caused by a bounds error in the formSetDeviceName function when processing untrusted input. An attacker could exploit this vulnerability to execute arbitrary code or cause a denial of service

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CVE-2023-4744 (GCVE-0-2023-4744)

Vulnerability from cvelistv5 – Published: 2023-09-03 23:31 – Updated: 2024-09-30 20:37

Title

Tenda AC8 formSetDeviceName stack-based overflow

Summary

Severity

9.8 (Critical)


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

9.8 (Critical)


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

SSVC

Exploitation: poc Automatable: yes Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-09-30 20:35 UTC

CWE

CWE-121 - Stack-based Buffer Overflow

Assigner

VulDB mitre root Scorecard

References

3 references

URL	Tags
https://vuldb.com/?id.238633	vdb-entrytechnical-description
https://vuldb.com/?ctiid.238633	signaturepermissions-required
https://github.com/GleamingEyes/vul/blob/main/ten…	exploit

Impacted products

2 products

Vendor	Product	Version
Tenda	AC8	Affected: 16.03.34.06_cn_TDC01
tenda	ac8	Affected: 16.03.34.06_cn_tdc01 cpe:2.3:h:tenda:ac8:-:::::::*

Credits

tianwenqi (VulDB User)

Show details on NVD website

JSON

To clipboard

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        {
          "lang": "en",
          "value": "A vulnerability was found in Tenda AC8 16.03.34.06_cn_TDC01. It has been declared as critical. Affected by this vulnerability is the function formSetDeviceName. The manipulation leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-238633 was assigned to this vulnerability."
        },
        {
          "lang": "de",
          "value": "In Tenda AC8 16.03.34.06_cn_TDC01 wurde eine kritische Schwachstelle ausgemacht. Dabei geht es um die Funktion formSetDeviceName. Durch Beeinflussen mit unbekannten Daten kann eine stack-based buffer overflow-Schwachstelle ausgenutzt werden. Die Umsetzung des Angriffs kann dabei \u00fcber das Netzwerk erfolgen. Der Exploit steht zur \u00f6ffentlichen Verf\u00fcgung."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          }
        },
        {
          "cvssV3_0": {
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.0"
          }
        },
        {
          "cvssV2_0": {
            "baseScore": 10,
            "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C",
            "version": "2.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-121",
              "description": "CWE-121 Stack-based Buffer Overflow",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-10-24T15:19:25.174Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
      },
      "references": [
        {
          "tags": [
            "vdb-entry",
            "technical-description"
          ],
          "url": "https://vuldb.com/?id.238633"
        },
        {
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/?ctiid.238633"
        },
        {
          "tags": [
            "exploit"
          ],
          "url": "https://github.com/GleamingEyes/vul/blob/main/tenda_ac8/ac8_1.md"
        }
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2023-09-03T00:00:00.000Z",
          "value": "Advisory disclosed"
        },
        {
          "lang": "en",
          "time": "2023-09-03T00:00:00.000Z",
          "value": "CVE reserved"
        },
        {
          "lang": "en",
          "time": "2023-09-03T02:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2023-09-29T20:07:59.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "Tenda AC8 formSetDeviceName stack-based overflow"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2023-4744",
    "datePublished": "2023-09-03T23:31:04.502Z",
    "dateReserved": "2023-09-03T06:37:57.663Z",
    "dateUpdated": "2024-09-30T20:37:02.940Z",
    "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.

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.

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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.

Action not permitted

VAR-202309-0136

CVE-2023-4744 (GCVE-0-2023-4744)

Tags

Sightings

Nomenclature

Related by attack behaviour