Vulnerability · Published Apr 17, 2024 · Assigned by VulDB

CVE-2024-3909Tenda AC500 execCommand formexeCommand stack-based overflow

High 8.8

In plain English

A high-severity stack buffer overflow in AC500 from Tenda. There are no confirmed reports of exploitation so far. 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 23.0% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

A vulnerability classified as critical was found in Tenda AC500 2.0.1.9(1307). Affected by this vulnerability is the function formexeCommand of the file /goform/execCommand. The manipulation of the argument cmdinput 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-261145 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Affected products (as reported)

Vendor	Product	Versions
Tenda	AC500	2.0.1.9(1307)

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-261145 | Tenda AC500 execCommand formexeCommand stack-based overflow vdb-entry, technical-description
VDB-261145 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
Submit #313804 | Tenda AC500 V2.0.1.9(1307) buffer overflow third-party-advisory
https://github.com/abcdefg-png/IoT-vulnerable/blob/main/Tenda/AC500/formexeCommand.md exploit