CVE-2025-7420 | THREATINT

Description

A vulnerability was found in Tenda O3V2 1.0.0.12(3880). It has been declared as critical. This vulnerability affects the function formWifiBasicSet of the file /goform/setWrlBasicInfo of the component httpd. The manipulation of the argument extChannel leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

In Tenda O3V2 1.0.0.12(3880) wurde eine Schwachstelle ausgemacht. Sie wurde als kritisch eingestuft. Es geht um die Funktion formWifiBasicSet der Datei /goform/setWrlBasicInfo der Komponente httpd. Durch Manipulation des Arguments extChannel mit unbekannten Daten kann eine stack-based buffer overflow-Schwachstelle ausgenutzt werden. Der Angriff kann über das Netzwerk erfolgen. Der Exploit steht zur öffentlichen Verfügung.

Reserved 2025-07-10 | Published 2025-07-10 | Updated 2025-07-11 | 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

1.0.0.12(3880)

affected

Timeline

2025-07-10:	Advisory disclosed
2025-07-10:	VulDB entry created
2025-07-10:	VulDB entry last update

Credits

pjq123 (VulDB User) reporter

References

vuldb.com/?id.315880 (VDB-315880 | Tenda O3V2 httpd setWrlBasicInfo formWifiBasicSet stack-based overflow) vdb-entry technical-description

vuldb.com/?ctiid.315880 (VDB-315880 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/?submit.608866 (Submit #608866 | Tenda O3V2 1.0.0.12(3880) Stack-based Buffer Overflow) third-party-advisory

github.com/wudipjq/my_vuln/blob/main/Tenda3/vuln_53/53.md related

github.com/wudipjq/my_vuln/blob/main/Tenda3/vuln_53/53.md exploit

www.tenda.com.cn/ product

cve.org (CVE-2025-7420)

nvd.nist.gov (CVE-2025-7420)

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