PT-2024-3678 · Tenda · Tenda I21

Yhryhryhr_Miemie · Published 2024-04-26 · Updated 2024-06-04 · CVE-2024-4249

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 has been found in the function formwrlSSIDget of the file /goform/wifiSSIDget, where the manipulation of the argument ssidIndex leads to a stack-based buffer overflow. This can be exploited remotely, potentially affecting the confidentiality, integrity, and availability of protected information. The exploit has been disclosed publicly.

Recommendations For Tenda i21 version 1.0.0.14(4656), as a temporary workaround, consider disabling the formwrlSSIDget function until a patch is available. Restrict access to the /goform/wifiSSIDget file to minimize the risk of exploitation. Avoid using the parameter ssidIndex 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:2024-04022

CVE-2024-4249

Affected Products

Tenda I21

References · 8

• 🔥 https://github.com/abcdefg-png/IoT-vulnerable/blob/main/Tenda/i/i21/formwrlSSIDget.md · Exploit
• https://osv.dev/vulnerability/CVE-2024-4249 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2024-4249 · Security Note
• https://bdu.fstec.ru/vul/2024-04022 · Security Note
• https://t.me/cvenotify/78247 · Telegram Post
• https://vuldb.com/?ctiid.262140 · Note
• https://vuldb.com/?submit.319834 · Note
• https://vuldb.com/?id.262140 · Note