PT-2024-3254 · Tenda · Tenda I21

Yhryhryhr_Miemie · Published 2024-04-27 · Updated 2024-05-17 · CVE-2024-4495

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 is related to the function formWifiMacFilterGet and is caused by a stack-based buffer overflow when handling the index parameter. This can be exploited remotely by sending a specially crafted POST request, potentially affecting the confidentiality, integrity, and availability of protected information.

Recommendations For Tenda i21 version 1.0.0.14(4656), as a temporary workaround, consider disabling the formWifiMacFilterGet function until a patch is available. Restrict access to the vulnerable function to minimize the risk of exploitation. Avoid using the index parameter 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:2024-03485

CVE-2024-4495

Affected Products

Tenda I21

References · 11

• 🔥 https://github.com/abcdefg-png/IoT-vulnerable/blob/main/Tenda/i/i21/formWifiMacFilterGet.md · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2024-4495 · Security Note
• https://osv.dev/vulnerability/CVE-2024-4495 · Vendor Advisory
• https://bdu.fstec.ru/vul/2024-03485 · Security Note
• https://twitter.com/VulmonFeeds/status/1787069295991693806 · Twitter Post
• https://vuldb.com/?submit.323605 · Note
• https://vuldb.com/?id.263084 · Note
• https://t.me/cvenotify/79135 · Telegram Post
• https://twitter.com/CVEnew/status/1787139411693465635 · Twitter Post
• https://vuldb.com/?ctiid.263084 · Note
• https://twitter.com/linuxpatch/status/1787015781152141684 · Twitter Post