CVE-2024-6964: Tenda O3 fromDhcpSetSer stack-based overflow

Severity: high (CVSS 8.8 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: 2024-07-22 · updated 2026-06-17
Weakness: CWE-121

Description

A vulnerability, which was classified as critical, was found in Tenda O3 1.0.0.10. Affected is the function fromDhcpSetSer. The manipulation of the argument dhcpEn/startIP/endIP/preDNS/altDNS/mask/gateway 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. VDB-272118 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

Tenda O3: all versions

References

https://github.com/abcdefg-png/IoT-vulnerable/blob/main/Tenda/O3V2.0/fromDhcpSetSer.md
https://vuldb.com/?ctiid.272118
https://vuldb.com/?id.272118
https://vuldb.com/?submit.374585
https://github.com/abcdefg-png/IoT-vulnerable/blob/main/Tenda/O3V2.0/fromDhcpSetSer.md
https://vuldb.com/?ctiid.272118
https://vuldb.com/?id.272118
https://vuldb.com/?submit.374585

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