Vulnerability · Published Apr 17, 2024 · Assigned by VulDB

CVE-2024-3905Tenda AC500 execCommand R7WebsSecurityHandler 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 1.8% (higher than 78% of all known vulnerabilities).

Severity (CVSS 3.1)8.8High

Exploit odds (30 days)1.8%top 21.7% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

A vulnerability was found in Tenda AC500 2.0.1.9(1307). It has been classified as critical. This affects the function R7WebsSecurityHandler of the file /goform/execCommand. The manipulation of the argument password 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 identifier VDB-261141 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-261141 | Tenda AC500 execCommand R7WebsSecurityHandler stack-based overflow vdb-entry, technical-description
VDB-261141 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
Submit #313790 | Tenda AC500 V2.0.1.9(1307) buffer overflow third-party-advisory
https://github.com/abcdefg-png/IoT-vulnerable/blob/main/Tenda/AC500/R7WebsSecurityHandler.md exploit