CVE-2026-7151 | THREATINT

Description

A vulnerability was determined in Tenda HG3 2.0. Impacted is the function formUploadConfig of the file /boaform/formIPv6Routing. This manipulation of the argument destNet causes stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been publicly disclosed and may be utilized.

PUBLISHED Reserved 2026-04-26 | Published 2026-04-27 | Updated 2026-04-29 | 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

2.0

affected

Timeline

2026-04-26:	Advisory disclosed
2026-04-26:	VulDB entry created
2026-04-26:	VulDB entry last update

Credits

2er00ne (VulDB User) reporter

References

vuldb.com/vuln/359750 (VDB-359750 | Tenda HG3 formIPv6Routing formUploadConfig stack-based overflow) vdb-entry technical-description

vuldb.com/vuln/359750/cti (VDB-359750 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/submit/802058 (Submit #802058 | Tenda HG3 N300 Wi-Fi xPON ONT HARD_VERSION=V2.0 , Version: 300003070 dos) third-party-advisory

www.notion.so/33e0c75766a88041bd86d3810994a541 exploit

www.tenda.com.cn/ product

cve.org (CVE-2026-7151)

nvd.nist.gov (CVE-2026-7151)

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