PT-2024-29955 · Tenda · Tenda I21

Yhryhryhr_Miemie · Published 2024-04-27 · Updated 2024-06-04 · CVE-2024-4246

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 was found in the function formQosManageDouble auto, where the manipulation of the argument ssidIndex leads to a stack-based buffer overflow. This issue can be initiated remotely. The vendor was contacted about this disclosure but did not respond.

Recommendations For Tenda i21 version 1.0.0.14(4656), as a temporary workaround, consider disabling the formQosManageDouble auto function until a patch is available. Restrict access to the ssidIndex argument to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this issue.

Fix

Memory Corruption

Stack Overflow

Weakness Enumeration

CWE-787

CWE-121

Related Identifiers

CVE-2024-4246

Affected Products

Tenda I21

References · 7

• https://osv.dev/vulnerability/CVE-2024-4246 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2024-4246 · Security Note
• https://github.com/abcdefg-png/IoT-vulnerable/blob/main/Tenda/i/i21/formQosManageDouble_user.md · Note
• https://vuldb.com/?id.262137 · Note
• https://t.me/cvenotify/78242 · Telegram Post
• https://vuldb.com/?submit.319831 · Note
• https://vuldb.com/?ctiid.262137 · Note