Vulnerability details

CVE-2026-7029

Tenda F456

Tenda F456 addressNat fromaddressNat buffer overflow

CVSS 4.0

8.7High

Official description

A weakness has been identified in Tenda F456 1.0.0.5. The impacted element is the function fromaddressNat of the file /goform/addressNat. Executing a manipulation of the argument menufacturer/Go can lead to buffer overflow. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks.

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/359609 vdb-entrytechnical-description
https://vuldb.com/vuln/359609/cti signaturepermissions-required
https://vuldb.com/submit/798450 third-party-advisory
https://github.com/Litengzheng/vuldb_new/blob/main/F456/vul_119/README.md exploit
https://www.tenda.com.cn/ product

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Details

Published: 2026-04-26
Last updated: 2026-04-27
State: Published
Assigner (CNA): VulDB

Exploit prediction (EPSS)

0.63%

Probability of exploitation in 30 days

50.5%

Percentile (among all CVEs)

SSVC assessment (CISA)

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

Weaknesses (CWE)

CWE-120
Buffer Overflow
CWE-119
Memory Corruption