CVE-2023-40891

View on CVE.org

Published Aug 24, 2023 CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed

Description

Tenda AC8 v4 US_AC8V4.0si_V16.03.34.06_cn was discovered to contain a stack overflow via parameter firewallEn at /goform/SetFirewallCfg.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

AND

cpe:2.3:o:tenda:ac8_firmware:16.03.34.06:*:*:*:*:*:*:*

cpe:2.3:h:tenda:ac8v4:-:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2023-45430	Tenda AC8 v4 US_AC8V4.0si_V16.03.34.06_cn was discovered to contain a stack overflow via parameter firewallEn at /goform/SetFirewallCfg.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.838% probability within 30 days)

Exploitation none

Automatable yes

Technical Impact total

References

Link	Providers
https://github.com/peris-navince/founded-0-days/blob/main/ac8/formSetFirewallCfg/1.md

History

Dec 8, 2025 1:15 PM First appearance in the feed. Affected versions updated. Affected vendors updated View changes

Type	Values Removed	Values Added
First Time appeared		Tenda ac8 Firmware
CPEs	cpe:2.3:o:tenda:ac8v4_firmware:16.03.34.06:::::::*	cpe:2.3:o:tenda:ac8_firmware:16.03.34.06:::::::*
Vendors & Products	Tenda ac8v4 Firmware	Tenda ac8 Firmware

Oct 3, 2024 2:30 PM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Subscriptions

Tenda Ac8 Firmware Ac8v4

Weaknesses

CWE-787

Sources

CVE record Updated: Oct 3, 2024, 1:44 PM

Status: PUBLISHED
Assigner: mitre
Published: Aug 24, 2023, 12:00 AM
Updated: Oct 3, 2024, 1:44 PM
Reserved: Aug 22, 2023, 12:00 AM

View source JSON

Vulnrichment Updated: Aug 2, 2024, 6:46 PM

Updated: Aug 2, 2024, 6:46 PM

NVD Updated: Jun 17, 2026, 6:19 AM

Status: Modified
Published: Aug 24, 2023, 6:15 PM
Modified: Jun 17, 2026, 6:19 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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