CVE-2026-19792

Tenda G0 httpd web management interface module setPortMapping buffer overflow

State: Published
Severity: 8.7 High
Published: Aug 14, 2026
Updated: Aug 14, 2026
Reserved: Aug 13, 2026

Description

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.

Scores

CVSS	Score	Vector	Source
4.0	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	VulDB
3.1	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	VulDB
3.0	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	VulDB
2.0	9.0 High	AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR	VulDB

Weaknesses

CWE-120 Buffer Overflow
CWE-119 Memory Corruption

Affected Products

Product	Versions
G0Tenda	20260625Affected

References

VDB-389758 | Tenda G0 httpd web management interface module setPortMapping buffer overflowvdb-entrytechnical-description
VDB-389758 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
CVE-2026-19792 | CVE Analysis and Reportthird-party-advisory
Submit #868929 | Tenda G0 Tenda G0 Buffer Overflowthird-party-advisory
https://github.com/lipenghai/iot_bug/blob/main/Tenda/G0/3.mdexploit
https://www.tenda.com.cn/product

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.