CVE-2026-7054 Details
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.
A stack-based buffer overflow vulnerability has been identified in the Tenda F456 router, specifically in version 1.0.0.5. The issue arises in the httpd component, within the fromPptpUserAdd function of the /goform/PPTPDClient file. The vulnerability is triggered by manipulating the opttype and username parameters, which can lead to a buffer overflow. This flaw can be exploited remotely, and a public proof-of-concept is available.
Metrics
CVSS 4.0 Severity and Vector Strings:
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Apr 27, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/Litengzheng/vuldb_new/blob/main/F456/vul_125/README.md | [email protected] | ExploitThird Party Advisory |
| https://vuldb.com/submit/798456 | [email protected] | Third Party AdvisoryVDB Entry |
| https://vuldb.com/vuln/359627 | [email protected] | Third Party AdvisoryVDB Entry |
| https://vuldb.com/vuln/359627/cti | [email protected] | Permissions RequiredVDB Entry |
| https://www.tenda.com.cn/ | [email protected] | Product |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-119 | Improper Restriction of Operations within the Bounds of a Memory Buffer | [email protected] |
| CWE-120 | Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| tenda f456 firmware | 1.0.0.5 |
CPE
Remediation
| |
| tenda f456 | All versions |
CPE
Remediation
| |
Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Apr 29, 2026 | Initial Analysis | [email protected] |
| Apr 26, 2026 | New CVE Received | [email protected] |