Vulnerability · Published Apr 17, 2024 · Assigned by VulDB

CVE-2024-3906Tenda AC500 QuickIndex formQuickIndex stack-based overflow

High 8.8

In plain English

A high-severity stack buffer overflow in AC500 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 23.3% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

A vulnerability was found in Tenda AC500 2.0.1.9(1307). It has been declared as critical. This vulnerability affects the function formQuickIndex of the file /goform/QuickIndex. The manipulation of the argument PPPOEPassword leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. VDB-261142 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 (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-261142 | Tenda AC500 QuickIndex formQuickIndex stack-based overflow vdb-entry, technical-description
VDB-261142 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
Submit #313801 | Tenda AC500 V2.0.1.9(1307) buffer overflow third-party-advisory
https://github.com/abcdefg-png/IoT-vulnerable/blob/main/Tenda/AC500/formQuickIndex.md exploit