Vulnerability record · CVE-2026-86165 · published 6 September 2026

CVE-2026-86165: Memory buffer overflow vulnerability

A vulnerability was found in Tenda HG10 300001138. This vulnerability affects the function formURL of the file /boaform/admin/formURL. Performing a manipulation of the argument Keywd/urlFQDN results in buffer overflow. The attack may be initiated remotely. The exploit has been made public and could be used.

8.9 CVSS 4.0 High EPSS 1.1% · top 34.9% CWE-119 · Memory buffer overflowCWE-120 · Classic buffer overflow Deferred

8.9CVSS 4.0 base score, v2 10.0

1.1%EPSS exploitation probability, 30 days

NoNot in CISA KEV

0Affected product versions listed by NVD

8References

8 Sep 2026Last modified by NVD

Description

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

Link	Tags
https://github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/Tenda/HG10/bof-formURL-keywd.md
https://vuldb.com/cve/CVE-2026-86165
https://vuldb.com/submit/895583
https://vuldb.com/submit/895594
https://vuldb.com/vuln/399304
https://vuldb.com/vuln/399304/cti
https://www.tenda.com.cn/
https://github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/Tenda/HG10/bof-formURL-keywd.md

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Source: NIST National Vulnerability Database (record CVE-2026-86165), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.