VulnerabilityAnalyzed

CVE-2026-7054

A weakness has been identified in Tenda F456 1.0.0.5.

HIGH 7.4EPSS 0.66%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.66%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

A weakness has been identified in Tenda F456 1.0.0.5. This vulnerability affects the function fromPptpUserAdd of the file /goform/PPTPDClient of the component httpd. Executing a manipulation of the argument opttype/usernamewith can lead to buffer overflow. The attack can be executed remotely. The exploit has been made available to the public and could be used for attacks.

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: 0.66% 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_125/README.mdExploit, Third Party Advisory
https://vuldb.com/submit/798456Third Party Advisory, VDB Entry
https://vuldb.com/vuln/359627Third Party Advisory, VDB Entry
https://vuldb.com/vuln/359627/ctiPermissions Required, VDB Entry
https://www.tenda.com.cn/Product

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