Vulnerability details

CVE-2026-6199

Tenda F456

Tenda F456 qossetting fromqossetting stack-based overflow

CVSS 4.0

8.7High

Official 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 scores

Score	Version	Source	Vector
8.7High	4.0	CVEProject cvelistV5 (CNA) (VulDB)	`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`
8.8High	3.1	CVEProject cvelistV5 (CNA) (VulDB)	`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`
8.8High	3.0	CVEProject cvelistV5 (CNA) (VulDB)	`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`
9.0High	2.0	CVEProject cvelistV5 (CNA) (VulDB)	`AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR`

Affected products

Vendor	Product	Versions	Source
Tenda	F456	1.0.0.5	CVEProject cvelistV5 (CNA)

References and advisories

https://vuldb.com/vuln/357121 vdb-entrytechnical-description
https://vuldb.com/vuln/357121/cti signaturepermissions-required
https://vuldb.com/submit/797471 third-party-advisory
https://github.com/Litengzheng/vuldb_new/blob/main/F456/vul_116/README.md exploit
https://www.tenda.com.cn/ product

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Details

Published: 2026-04-13
Last updated: 2026-04-13
State: Published
Assigner (CNA): VulDB

Exploit prediction (EPSS)

0.47%

Probability of exploitation in 30 days

41.1%

Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable: No
Exploitation: Proof of concept
Technical impact: Total

Weaknesses (CWE)

CWE-121
Stack-based Buffer Overflow
CWE-119
Memory Corruption