Vulnerability-Lookup

CVE-2026-19792 (GCVE-0-2026-19792)

Vulnerability from cvelistv5 – Published: 2026-08-14 04:00 – Updated: 2026-08-14 10:29

Title

Tenda G0 httpd web management interface module setPortMapping buffer overflow

Summary

A security flaw has been discovered in Tenda G0 up to 20260625. Impacted is the function setPortMapping of the file /goform/module of the component httpd web management interface. Performing a manipulation of the argument portMappingServer/porMappingtInternal/portMappingExternal results in buffer overflow. The attack is possible to be carried out remotely. The exploit has been released to the public and may be used for attacks.

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/E:P

8.8 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R

8.8 (High)


                        
                          CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R

SSVC

Exploitation: poc Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-14 10:28 UTC

CWE

CWE-120 - Buffer Overflow
CWE-119 - Memory Corruption

Assigner

VulDB

References

6 references

URL	Tags
https://vuldb.com/vuln/389758	vdb-entrytechnical-description
https://vuldb.com/vuln/389758/cti	signaturepermissions-required
https://vuldb.com/cve/CVE-2026-19792	third-party-advisory
https://vuldb.com/submit/868929	third-party-advisory
https://github.com/lipenghai/iot_bug/blob/main/Te…	exploit
https://www.tenda.com.cn/	product

Impacted products

1 product

Vendor	Product	Version
Tenda	G0	Affected: 20260625 cpe:2.3:h:tenda:g0::::::::

Credits

stksgg (VulDB User)

Show details on NVD website

JSON

To clipboard

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              "content": {
                "id": "CVE-2026-19792",
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                  },
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                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
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                "role": "CISA Coordinator",
                "timestamp": "2026-08-14T10:28:44.132624Z",
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          ],
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        }
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      "descriptions": [
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          "lang": "en",
          "value": "A security flaw has been discovered in Tenda G0 up to 20260625. Impacted is the function setPortMapping of the file /goform/module of the component httpd web management interface. Performing a manipulation of the argument portMappingServer/porMappingtInternal/portMappingExternal results in buffer overflow. The attack is possible to be carried out remotely. The exploit has been released to the public and may be used for attacks."
        }
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          "time": "2026-08-13T21:00:41.000Z",
          "value": "VulDB entry last update"
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      ],
      "title": "Tenda G0 httpd web management interface module setPortMapping buffer overflow",
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  "cveMetadata": {
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    "dateReserved": "2026-08-13T18:55:28.591Z",
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    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
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  }
}

GHSA-W66Q-5X8W-9JJM

Vulnerability from github – Published: 2026-08-14 06:31 – Updated: 2026-08-14 06:31

Details

Severity

8.8 (High)


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

7.4 (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/E:P

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-19792"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-119"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-14T05:16:59Z",
    "severity": "HIGH"
  },
  "details": "A security flaw has been discovered in Tenda G0 up to 20260625. Impacted is the function setPortMapping of the file /goform/module of the component httpd web management interface. Performing a manipulation of the argument portMappingServer/porMappingtInternal/portMappingExternal results in buffer overflow. The attack is possible to be carried out remotely. The exploit has been released to the public and may be used for attacks.",
  "id": "GHSA-w66q-5x8w-9jjm",
  "modified": "2026-08-14T06:31:05Z",
  "published": "2026-08-14T06:31:05Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-19792"
    },
    {
      "type": "WEB",
      "url": "https://github.com/lipenghai/iot_bug/blob/main/Tenda/G0/3.md"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/cve/CVE-2026-19792"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/submit/868929"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/vuln/389758"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/vuln/389758/cti"
    },
    {
      "type": "WEB",
      "url": "https://www.tenda.com.cn"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "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/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

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.

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.

Action not permitted

CVE-2026-19792 (GCVE-0-2026-19792)

GHSA-W66Q-5X8W-9JJM

Tags

Sightings

Nomenclature