Tenda G0 up to 20260625 httpd web management interface /goform/module setPortMapping buffer overflow

CVSS Meta Temp Score
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CTI Interest Score
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8.0$0-$5k1.55+

Summaryinfo

A vulnerability described as critical has been identified in Tenda G0 up to 20260625. The affected element is the function setPortMapping of the file /goform/module of the component httpd web management interface. Executing a manipulation of the argument portMappingServer/porMappingtInternal/portMappingExternal can lead to buffer overflow. This vulnerability appears as CVE-2026-19792. The attack may be performed from remote. In addition, an exploit is available.

Detailsinfo

A vulnerability has been found in Tenda G0 up to 20260625 and classified as critical. This vulnerability affects the function setPortMapping of the file /goform/module of the component httpd web management interface. The manipulation of the argument portMappingServer/porMappingtInternal/portMappingExternal with an unknown input leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. As an impact it is known to affect confidentiality, integrity, and availability.

The advisory is available at github.com. This vulnerability was named CVE-2026-19792. The exploitation appears to be easy. The attack can be initiated remotely. Technical details and also a public exploit are known.

It is possible to download the exploit at github.com. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Type

Vendor

Name

Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.0

VulDB Base Score: 8.8
VulDB Temp Score: 8.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

08/13/2026 Advisory disclosed
08/13/2026 +0 days VulDB entry created
08/13/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: tenda.com.cn

Advisory: github.com
Status: Not defined

CVE: CVE-2026-19792 (🔒)
GCVE (CVE): GCVE-0-2026-19792
GCVE (VulDB): GCVE-100-389758
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 08/13/2026 21:00
Changes: 08/13/2026 21:00 (59)
Complete: 🔍
Submitter: stksgg
Cache ID: 216::103

Submitinfo

Accepted

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