CVE-2024-6964: o3 Stack Overflow — Exploit

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.

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CVSS v3.1 Score

8.8

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-121 CWE-121

CWE-787 Out-of-bounds Write

Affected Products

Vendor	Product	Versions
tenda	o3_firmware1.0.0.10\(2478\)	All
tenda	o3	All

References

Exploits

https://github.com/abcdefg-png/IoT-vulnerable/blob/main/Tenda/O3V2.0/fromDhcpSetSer.md https://github.com/abcdefg-png/IoT-vulnerable/blob/main/Tenda/O3V2.0/fromDhcpSetSer.md

Other References

https://vuldb.com/?ctiid.272118 https://vuldb.com/?id.272118 https://vuldb.com/?submit.374585 https://vuldb.com/?ctiid.272118 https://vuldb.com/?id.272118 https://vuldb.com/?submit.374585

Frequently Asked Questions

What is CVE-2024-6964? +

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. It has a CVSS v3.1 base score of 8.8 (HIGH).

How severe is CVE-2024-6964? +

CVE-2024-6964 has a CVSS v3.1 score of 8.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2024-6964? +

CVE-2024-6964 affects products from tenda, specifically: o3, o3_firmware1.0.0.10\(2478\). Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-6964? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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