CVE-2026-86165

Tenda HG10 formURL buffer overflow

Published Sep 6, 2026 CVSS 4.0 · 9.3 Critical EPSS 1.1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Tenda hg10
Vendors & Products Tenda hg10
Type Values Removed Values Added
Description 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.
Title Tenda HG10 formURL buffer overflow
First Time appeared Tenda
Tenda hg10 Firmware
Weaknesses CWE-119
CWE-120
CPEs cpe:2.3:o:tenda:hg10_firmware:*:*:*:*:*:*:*:*
Vendors & Products Tenda
Tenda hg10 Firmware
References
Metrics cvssV2_0

{'score': 10, 'vector': 'AV:N/AC:L/Au:N/C:C/I:C/A:C/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 9.8, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R'}

cvssV4_0

{'score': 9.3, 'vector': '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulDB
Published
Updated
Sep 8, 2026, 1:26 PM
Reserved
Sep 5, 2026, 10:31 AM
Status
Deferred
Published
Sep 6, 2026, 4:18 AM
Modified
Sep 8, 2026, 2:17 PM