CVE-2024-8227: Tenda O1 DhcpSetSer fromDhcpSetSer stack-based overflow

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.2% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2024-08-28 · updated 2026-06-17
Weakness: CWE-121

Description

A vulnerability was found in Tenda O1 1.0.0.7(10648) and classified as critical. Affected by this issue is the function fromDhcpSetSer of the file /goform/DhcpSetSer. The manipulation of the argument dhcpStartIp/dhcpEndIp/dhcpGw/dhcpMask/dhcpLeaseTime/dhcpDns1/dhcpDns2 leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

Tenda O1: 1.0.0.7(10648)

References

https://github.com/abcdefg-png/AHU-IoT-vulnerable/blob/main/Tenda/web-bridge/O1V1.1/fromDhcpSetSer.md
https://vuldb.com/?ctiid.275936
https://vuldb.com/?id.275936
https://vuldb.com/?submit.394022
https://www.tenda.com.cn/

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