A vulnerability was determined in Tenda A18 15.13.07.13. This affects the function parse_macfilter_rule of the file /goform/setBlackRule. This manipulation of the argument deviceList causes stack-based buffer overflow. The attack may be initiated remotely. The exploit has been publicly disclosed and may be utilized.
Advisories

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Fixes

Solution

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Workaround

No workaround given by the vendor.

History

Mon, 23 Feb 2026 20:45:00 +0000

Type Values Removed Values Added
First Time appeared Tenda a18 Firmware
CPEs cpe:2.3:h:tenda:a18:-:*:*:*:*:*:*:*
cpe:2.3:o:tenda:a18_firmware:15.13.07.13:*:*:*:*:*:*:*
Vendors & Products Tenda a18 Firmware

Mon, 23 Feb 2026 18:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Mon, 23 Feb 2026 15:00:00 +0000

Type Values Removed Values Added
First Time appeared Tenda
Tenda a18
Vendors & Products Tenda
Tenda a18

Sat, 21 Feb 2026 17:45:00 +0000

Type Values Removed Values Added
Description A vulnerability was determined in Tenda A18 15.13.07.13. This affects the function parse_macfilter_rule of the file /goform/setBlackRule. This manipulation of the argument deviceList causes stack-based buffer overflow. The attack may be initiated remotely. The exploit has been publicly disclosed and may be utilized.
Title Tenda A18 setBlackRule parse_macfilter_rule stack-based overflow
Weaknesses CWE-119
CWE-121
References
Metrics cvssV2_0

{'score': 9, 'vector': 'AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 8.8, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS: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'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2026-02-23T15:41:12.127Z

Reserved: 2026-02-20T16:05:23.156Z

Link: CVE-2026-2876

cve-icon Vulnrichment

Updated: 2026-02-23T15:41:06.612Z

cve-icon NVD

Status : Analyzed

Published: 2026-02-21T18:16:00.933

Modified: 2026-02-23T20:33:02.043

Link: CVE-2026-2876

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-02-23T14:31:47Z

Weaknesses