VulnerabilityAnalyzed

CVE-2026-7101

A vulnerability has been found in Tenda F456 1.0.0.5.

HIGH 7.4EPSS 0.64%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.64%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

A vulnerability has been found in Tenda F456 1.0.0.5. This affects the function fromWrlclientSet of the file /goform/WrlclientSet of the component httpd. The manipulation leads to buffer overflow. Remote exploitation of the attack is possible. The exploit has been disclosed to the public and may be used.

CVSS 4.0: 7.4 HIGHCVSS: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/M
EPSS: 0.64% probability · 49th percentile
CISA KEV: Not listed
Weakness: CWE-119, CWE-120
Affected: tenda/f456 firmware
Source: cna@vuldb.com

References

https://github.com/Litengzheng/vuldb_new/blob/main/F456/vul_139/README.mdExploit, Third Party Advisory
https://vuldb.com/submit/798474Third Party Advisory, VDB Entry
https://vuldb.com/vuln/359676Third Party Advisory, VDB Entry
https://vuldb.com/vuln/359676/ctiPermissions Required, VDB Entry
https://www.tenda.com.cn/Product

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.