Vulnerability record · CVE-2026-19792 · published 14 August 2026

CVE-2026-19792: Memory buffer overflow vulnerability

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.

7.4 CVSS 4.0 High EPSS 0.85% · top 43.4% CWE-119 · Memory buffer overflowCWE-120 · Classic buffer overflow Deferred

7.4CVSS 4.0 base score, v2 9.0

0.85%EPSS exploitation probability, 30 days

NoNot in CISA KEV

0Affected product versions listed by NVD

6References

14 Aug 2026Last modified by NVD

Description

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:

References

Link	Tags
https://github.com/lipenghai/iot_bug/blob/main/Tenda/G0/3.md
https://vuldb.com/cve/CVE-2026-19792
https://vuldb.com/submit/868929
https://vuldb.com/vuln/389758
https://vuldb.com/vuln/389758/cti
https://www.tenda.com.cn/

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Source: NIST National Vulnerability Database (record CVE-2026-19792), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.