PT-2024-3327 · Tenda · Tenda I21

Yhryhryhr_Miemie · Published 2024-04-27 · Updated 2024-06-04 · CVE-2024-4496

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 i21 version 1.0.0.14(4656)

Description A critical issue affects the formWifiMacFilterSet() function, where the manipulation of the ssidIndex argument leads to a stack-based buffer overflow. This can be exploited remotely, potentially impacting the confidentiality, integrity, and availability of protected information. The attack can be initiated by sending a specially crafted POST request.

Recommendations For Tenda i21 version 1.0.0.14(4656), as a temporary workaround, consider disabling the formWifiMacFilterSet() function until a patch is available. Restrict access to the ssidIndex argument in the affected API endpoint to minimize the risk of exploitation. 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:2024-03573

CVE-2024-4496

Affected Products

Tenda I21

References · 11

• 🔥 https://github.com/abcdefg-png/IoT-vulnerable/blob/main/Tenda/i/i21/formWifiMacFilterSet.md · Exploit
• https://bdu.fstec.ru/vul/2024-03573 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2024-4496 · Security Note
• https://osv.dev/vulnerability/CVE-2024-4496 · Vendor Advisory
• https://twitter.com/linuxpatch/status/1787015879735079104 · Twitter Post
• https://twitter.com/CVEnew/status/1787139410288353720 · Twitter Post
• https://twitter.com/VulmonFeeds/status/1787069043054088400 · Twitter Post
• https://vuldb.com/?ctiid.263085 · Note
• https://vuldb.com/?submit.323606 · Note
• https://vuldb.com/?id.263085 · Note
• https://t.me/cvenotify/79136 · Telegram Post