TI-2024-03786 Aliases CVE-2024-4066 GHSA-xhg5-m3mp-pf34

Tenda AC8 AdvSetMacMtuWan fromAdvSetMacMtuWan stack-based overflow

HIGH 73CWE-121Published 2024-04-23 · Updated 2024-08-01

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-121 and the CVSS impact.

Summary

A vulnerability classified as critical has been found in Tenda AC8 16.03.34.09. Affected is the function fromAdvSetMacMtuWan of the file /goform/AdvSetMacMtuWan. The manipulation of the argument wanMTU/wanSpeed/cloneType/mac/serviceName/serverName leads to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-261792. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.01757 78th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by the CNA and NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: No
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Tenda	AC8	16.03.34.09	—	No fix listed	CNA

AC8 VendorTenda Affected 16.03.34.09 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPE	Versions	Role	Vendor
cpe:2.3:o:tenda:ac8_firmware:16.03.34.09:::::::*	16.03.34.09	Vulnerable	Tenda
cpe:2.3:h:tenda:ac8:-:::::::*	not specified by NVD	Running on	Tenda

cpe:2.3:o:tenda:ac8_firmware:16.03.34.09:*:*:*:*:*:*:* Versions 16.03.34.09 Vulnerable ·Tenda
cpe:2.3:h:tenda:ac8:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Tenda

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2024-4066
2026-10-03 Alias added: GHSA-xhg5-m3mp-pf34

References

Exploit 1

https://github.com/abcdefg-png/IoT-vulnerable/blob/main/Tenda/AC8/fromAdvSetMacMtuWan.md

TI-2025-20992 Tenda AC8 V16.03.34.06 is vulnerable to Buffer Overflow in the fromSetRouteStatic function via the parameter list. CVSS 3.1CRITICAL 9.8
TI-2024-31083 Tenda AC8v4 V16.03.34.06 has a stack overflow vulnerability in the fromAdvSetMacMtuWan function. CVSS 3.1CRITICAL 9.8
TI-2023-20197 Tenda AC10 V1.0 V15.03.06.23, AC1206 V15.03.06.23, AC8 v4 V16.03.34.06, AC6 V2.0… CVSS 3.1CRITICAL 9.8
TI-2023-20195 Tenda AC1206 V15.03.06.23, AC8 V4 V16.03.34.06, AC5 V1.0 V15.03.06.28, AC10 v4.0… CVSS 3.1CRITICAL 9.8
TI-2023-20191 Tenda AC10 V1.0 V15.03.06.23, AC1206 V15.03.06.23, AC8 v4 V16.03.34.06, AC6 V2.0… CVSS 3.1CRITICAL 9.8
TI-2023-04372 Tenda AC8 formSetDeviceName stack-based overflow CVSS 3.1CRITICAL 9.8

See all 61 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences