Vulnerability · Published Apr 24, 2024 · Assigned by VulDB

CVE-2024-4112Tenda TX9 SetVirtualServerCfg sub_42CB94 stack-based overflow

High 8.8

In plain English

A high-severity stack buffer overflow in TX9 from Tenda. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.7% (higher than 77% of all known vulnerabilities).

Severity (CVSS 3.1)8.8High

Exploit odds (30 days)1.7%top 22.7% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

A vulnerability classified as critical has been found in Tenda TX9 22.03.02.10. This affects the function sub_42CB94 of the file /goform/SetVirtualServerCfg. The manipulation of the argument list leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-261855. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Affected products (as reported)

Vendor	Product	Versions
Tenda	TX9	22.03.02.10

Weakness: CWE-121 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

VDB-261855 | Tenda TX9 SetVirtualServerCfg sub_42CB94 stack-based overflow vdb-entry, technical-description
VDB-261855 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
Submit #317206 | Tenda TX9 Pro V22.03.02.10 buffer overflow third-party-advisory
https://github.com/abcdefg-png/IoT-vulnerable/blob/main/Tenda/TX9/formSetVirtualSer.md exploit