CVE-2026-7054

HIGH

Tenda F456 httpd PPTPDClient fromPptpUserAdd buffer overflow

Title source: cna

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.

References (5)

Core 5

Core References

Vdb Entry, Technical Description vdb-entry technical-description

VDB-359627 | Tenda F456 httpd PPTPDClient fromPptpUserAdd buffer overflow

https://vuldb.com/vuln/359627

Signature, Permissions Required signature permissions-required

VDB-359627 | CTI Indicators (IOB, IOC, IOA)

https://vuldb.com/vuln/359627/cti

Third Party Advisory third-party-advisory

Submit #798456 | Tenda F456 v1.0.0.5 Stack-based Buffer Overflow

https://vuldb.com/submit/798456

Exploit exploit

https://github.com/Litengzheng/vuldb_new/blob/main/F456/vul_125/README.md

View Exploit ZIP pw:eip

Product product

https://www.tenda.com.cn/

Scores

CVSS v3 8.8

EPSS 0.0066

EPSS Percentile 46.3%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment

Exploitation poc

Automatable no

Technical Impact total

Details

CWE

CWE-119 CWE-120

Status published

Products (2)

Tenda/F456 1.0.0.5

tenda/f456_firmware 1.0.0.5

Published Apr 26, 2026

Tracked Since Apr 26, 2026