TI-2024-02316 Aliases CVE-2024-2490 GHSA-w379-4m9h-6p6h

Tenda AC18 openSchedWifi setSchedWifi stack-based overflow

HIGH 73CWE-121Published 2024-03-15 · 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 was found in Tenda AC18 15.03.05.05. Affected by this vulnerability is the function setSchedWifi of the file /goform/openSchedWifi. The manipulation of the argument schedStartTime/schedEndTime leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-256897 was assigned to this vulnerability. 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 0.01648 76th 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	AC18	15.03.05.05	—	No fix listed	CNA

AC18 VendorTenda Affected 15.03.05.05 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPE	Versions	Role	Vendor
cpe:2.3:o:tenda:ac18_firmware:15.03.05.05:::::::*	15.03.05.05	Vulnerable	Tenda
cpe:2.3:h:tenda:ac18:-:::::::*	not specified by NVD	Running on	Tenda

cpe:2.3:o:tenda:ac18_firmware:15.03.05.05:*:*:*:*:*:*:* Versions 15.03.05.05 Vulnerable ·Tenda
cpe:2.3:h:tenda:ac18:-:*:*:*:*:*:*:* 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-2024-2490
2026-10-03 Alias added: GHSA-w379-4m9h-6p6h

References

Exploit 1

https://github.com/Emilytutu/IoT-vulnerable/blob/main/Tenda/AC18/setSchedWifi_end.md

TI-2024-37948 Tenda AC18 V15.03.05.19 was discovered to contain a stack overflow via the startIP… CVSS 3.1CRITICAL 9.8
TI-2024-37947 Tenda AC18 V15.03.05.19 was discovered to contain a stack overflow via the firewallEn… CVSS 3.1CRITICAL 9.8
TI-2024-37946 Tenda AC18 V15.03.05.19 was discovered to contain a stack overflow via the devName… CVSS 3.1CRITICAL 9.8
TI-2024-37945 Tenda AC18 V15.03.05.19 was discovered to contain a stack overflow via the limitSpeedUp… CVSS 3.1CRITICAL 9.8
TI-2024-37942 Tenda AC18 V15.03.05.19 was discovered to contain a stack overflow via the ssid parameter… CVSS 3.1CRITICAL 9.8
TI-2024-22327 Tenda AC18 V15.03.05.05 has a stack overflow vulnerability in the remoteIp parameter from formSetSafeWanWebMan function. CVSS 3.1CRITICAL 9.8

See all 102 →

Sources

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