CVE-2025-7506 | THREATINT

Description

A vulnerability classified as critical was found in Tenda FH451 1.0.0.9. Affected by this vulnerability is the function fromNatlimit of the file /goform/Natlimit of the component HTTP POST Request Handler. The manipulation of the argument page leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.

In Tenda FH451 1.0.0.9 wurde eine kritische Schwachstelle entdeckt. Hierbei betrifft es die Funktion fromNatlimit der Datei /goform/Natlimit der Komponente HTTP POST Request Handler. Mittels dem Manipulieren des Arguments page mit unbekannten Daten kann eine stack-based buffer overflow-Schwachstelle ausgenutzt werden. Umgesetzt werden kann der Angriff über das Netzwerk. Der Exploit steht zur öffentlichen Verfügung.

Reserved 2025-07-11 | Published 2025-07-12 | Updated 2025-07-12 | Assigner VulDB

HIGH: 8.7CVSS: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

HIGH: 8.8CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R

HIGH: 8.8CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R

9.0AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR

Problem types

Stack-based Buffer Overflow

Memory Corruption

Product status

1.0.0.9

affected

Timeline

2025-07-11:	Advisory disclosed
2025-07-11:	VulDB entry created
2025-07-11:	VulDB entry last update

Credits

zezhifu (VulDB User) reporter

References

vuldb.com/?id.316189 (VDB-316189 | Tenda FH451 HTTP POST Request Natlimit fromNatlimit stack-based overflow) vdb-entry technical-description

vuldb.com/?ctiid.316189 (VDB-316189 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/?submit.611505 (Submit #611505 | Tenda FH451 v1.0.0.9 Stack-based Buffer Overflow) third-party-advisory

github.com/...fu1/cve_report/blob/main/FH451/fromNatlimit.md related

github.com/...fu1/cve_report/blob/main/FH451/fromNatlimit.md exploit

www.tenda.com.cn/ product

cve.org (CVE-2025-7506)

nvd.nist.gov (CVE-2025-7506)

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