Vulnerability · Published Apr 26, 2024 · Assigned by VulDB

CVE-2024-4244Tenda W9 DhcpSetSer fromDhcpSetSer stack-based overflow

High 8.8

In plain English

A high-severity stack buffer overflow in W9 from Tenda. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.3% (higher than 72% of all known vulnerabilities).

Severity (CVSS 3.1)8.8High

Exploit odds (30 days)1.3%top 28.4% 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 W9 1.0.0.7(4456). Affected by this vulnerability is the function fromDhcpSetSer of the file /goform/DhcpSetSer. The manipulation of the argument dhcpStartIp/dhcpEndIp/dhcpGw/dhcpMask/dhcpLeaseTime/dhcpDns1/dhcpDns2 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 associated identifier of this vulnerability is VDB-262135. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Affected products (as reported)

Vendor	Product	Versions
Tenda	W9	1.0.0.7(4456)

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-262135 | Tenda W9 DhcpSetSer fromDhcpSetSer stack-based overflow vdb-entry, technical-description
VDB-262135 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
Submit #319826 | Tenda W9 V1.0.0.7(4456) Buffer Overflow third-party-advisory
https://github.com/abcdefg-png/IoT-vulnerable/blob/main/Tenda/W9/fromDhcpSetSer.md exploit