CVE-2026-86151

Tenda CP3 Network Configuration Management system.c sub_2F77E8 os command injection

Published Sep 5, 2026 CVSS 4.0 · 9.4 Critical EPSS 2.9% KEV · Not listed
Description
A vulnerability was detected in Tenda CP3 27.5.57.101. The affected element is the function sub_2F77E8 of the file Apis/system.c of the component Network Configuration Management. Performing a manipulation results in os command injection. The attack may be initiated remotely.

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': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Tenda cp3
Vendors & Products Tenda cp3
Type Values Removed Values Added
Description A vulnerability was detected in Tenda CP3 27.5.57.101. The affected element is the function sub_2F77E8 of the file Apis/system.c of the component Network Configuration Management. Performing a manipulation results in os command injection. The attack may be initiated remotely.
Title Tenda CP3 Network Configuration Management system.c sub_2F77E8 os command injection
First Time appeared Tenda
Tenda cp3 Firmware
Weaknesses CWE-77
CWE-78
CPEs cpe:2.3:o:tenda:cp3_firmware:*:*:*:*:*:*:*:*
Vendors & Products Tenda
Tenda cp3 Firmware
References
Metrics cvssV2_0

{'score': 8.3, 'vector': 'AV:N/AC:L/Au:M/C:C/I:C/A:C/E:ND/RL:ND/RC:UR'}

cvssV3_0

{'score': 9.1, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:X/RL:X/RC:R'}

cvssV3_1

{'score': 9.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:X/RL:X/RC:R'}

cvssV4_0

{'score': 9.4, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulDB
Published
Updated
Sep 11, 2026, 8:37 PM
Reserved
Sep 5, 2026, 7:40 AM
Status
Deferred
Published
Sep 6, 2026, 12:16 AM
Modified
Sep 11, 2026, 9:17 PM