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Vulnerability record · CVE-2026-6199 · published 13 April 2026

CVE-2026-6199: Memory buffer overflow vulnerability

A vulnerability was found in Tenda F456 1.0.0.5. Impacted is the function fromqossetting of the file /goform/qossetting. The manipulation of the argument page results in stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been made public and could be used.

7.4 CVSS 4.0 High EPSS 0.79% · top 45.5% CWE-119 · Memory buffer overflowCWE-121 · Stack-based buffer overflow Deferred
7.4CVSS 4.0 base score, v2 9.0
0.79%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
5References
17 Jun 2026Last modified by NVD

Description

A vulnerability was found in Tenda F456 1.0.0.5. Impacted is the function fromqossetting of the file /goform/qossetting. The manipulation of the argument page results in stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been made public and could be used.

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

LinkTags
https://github.com/Litengzheng/vuldb_new/blob/main/F456/vul_116/README.md
https://vuldb.com/submit/797471
https://vuldb.com/vuln/357121
https://vuldb.com/vuln/357121/cti
https://www.tenda.com.cn/

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Source: NIST National Vulnerability Database (record CVE-2026-6199), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.