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A vulnerability classified as critical has been found in Tenda FH451 1.0.0.9. This affects the function fromPptpUserSetting of the file /goform/PPTPUserSetting. The manipulation of the argument delno leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.

Es wurde eine Schwachstelle in Tenda FH451 1.0.0.9 entdeckt. Sie wurde als kritisch eingestuft. Hiervon betroffen ist die Funktion fromPptpUserSetting der Datei /goform/PPTPUserSetting. Durch Manipulation des Arguments delno mit unbekannten Daten kann eine stack-based buffer overflow-Schwachstelle ausgenutzt werden. Der Angriff kann über das Netzwerk angegangen werden. Der Exploit steht zur öffentlichen Verfügung.

PUBLISHED Reserved 2025-07-18 | Published 2025-07-18 | Updated 2025-07-22 | 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

2025-07-18:Advisory disclosed
2025-07-18:VulDB entry created
2025-07-18:VulDB entry last update

Credits

panda_0x1 (VulDB User) reporter

References

github.com/...s/blob/main/tenda/fh451/fromPptpUserSetting.md exploit

github.com/...s/blob/main/tenda/fh451/fromPptpUserSetting.md exploit

vuldb.com/?id.316881 (VDB-316881 | Tenda FH451 PPTPUserSetting fromPptpUserSetting stack-based overflow) vdb-entry technical-description

vuldb.com/?ctiid.316881 (VDB-316881 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/?submit.616347 (Submit #616347 | Tenda FH451 v1.0.0.9 Buffer Overflow) third-party-advisory

github.com/...s/blob/main/tenda/fh451/fromPptpUserSetting.md related

github.com/...s/blob/main/tenda/fh451/fromPptpUserSetting.md exploit

www.tenda.com.cn/ product

cve.org (CVE-2025-7805)

nvd.nist.gov (CVE-2025-7805)

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