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CVE-2024-2490: Tenda AC18 openSchedWifi setSchedWifi stack-based overflow

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2024-03-15 · updated 2026-06-17
• Weakness: CWE-121

Description

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.

Affected products

• Tenda AC18: 15.03.05.05

References

• https://github.com/Emilytutu/IoT-vulnerable/blob/main/Tenda/AC18/setSchedWifi_end.md
• https://vuldb.com/?ctiid.256897
• https://vuldb.com/?id.256897
• https://github.com/Emilytutu/IoT-vulnerable/blob/main/Tenda/AC18/setSchedWifi_end.md
• https://vuldb.com/?ctiid.256897
• https://vuldb.com/?id.256897

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