PT-2024-3062 · Tenda · Tenda Ac8

Yhryhryhr_Tu · Published 2024-04-15 · Updated 2025-01-21 · CVE-2024-4066

Positive Technologies (AI Summary)

CVSS v2.0

9.0

High

Base vector

AV:N/AC:L/Au:S/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Tenda AC8 version 16.03.34.09

Description A critical vulnerability has been found in the function fromAdvSetMacMtuWan of the file /goform/AdvSetMacMtuWan. The manipulation of the arguments wanMTU, wanSpeed, cloneType, mac, serviceName, and serverName leads to a stack-based buffer overflow. This issue can be exploited remotely. The exploit has been disclosed to the public and may be used.

Recommendations For Tenda AC8 version 16.03.34.09, as a temporary workaround, consider disabling the fromAdvSetMacMtuWan function until a patch is available. Restrict access to the /goform/AdvSetMacMtuWan endpoint to minimize the risk of exploitation. Avoid using the arguments wanMTU, wanSpeed, cloneType, mac, serviceName, and serverName in the affected API endpoint until the issue is resolved. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Memory Corruption

Stack Overflow

Weakness Enumeration

CWE-787

CWE-121

Related Identifiers

BDU:2024-03255

CVE-2024-4066

Affected Products

Tenda Ac8

References · 10

• 🔥 https://github.com/abcdefg-png/IoT-vulnerable/blob/main/Tenda/AC8/fromAdvSetMacMtuWan.md · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2024-4066 · Security Note
• https://osv.dev/vulnerability/CVE-2024-4066 · Vendor Advisory
• https://bdu.fstec.ru/vul/2024-03255 · Security Note
• https://vuldb.com/?id.261792 · Note
• https://twitter.com/CVEnew/status/1782881219212173465 · Twitter Post
• https://vuldb.com/?ctiid.261792 · Note
• https://vuldb.com/?submit.316495 · Note
• https://twitter.com/VulmonFeeds/status/1782905187650138120 · Twitter Post
• https://t.me/cvenotify/77834 · Telegram Post