PT-2024-3251 · Tenda · Tenda I21

Yhryhryhr_Miemie · Published 2024-04-27 · Updated 2024-06-04 · CVE-2024-4494

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 vulnerability has been found in the function formSetUplinkInfo of the file /goform/setUplinkInfo. The manipulation of the argument pingHostIp2 leads to a stack-based buffer overflow. This issue can be exploited remotely, potentially affecting the confidentiality, integrity, and availability of protected information. The exploit has been disclosed to the public and may be used.

Recommendations As a temporary workaround, consider disabling the formSetUplinkInfo function until a patch is available. Restrict access to the /goform/setUplinkInfo endpoint to minimize the risk of exploitation. Avoid using the parameter pingHostIp2 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:2024-03482

CVE-2024-4494

Affected Products

Tenda I21

References · 11

• 🔥 https://github.com/abcdefg-png/IoT-vulnerable/blob/main/Tenda/i/i21/formSetUplinkInfo.md · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2024-4494 · Security Note
• https://bdu.fstec.ru/vul/2024-03482 · Security Note
• https://osv.dev/vulnerability/CVE-2024-4494 · Vendor Advisory
• https://t.me/cvenotify/79134 · Telegram Post
• https://vuldb.com/?id.263083 · Note
• https://twitter.com/CVEnew/status/1787139412955918484 · Twitter Post
• https://twitter.com/VulmonFeeds/status/1787069549206020548 · Twitter Post
• https://vuldb.com/?submit.323604 · Note
• https://twitter.com/linuxpatch/status/1787000642101186926 · Twitter Post
• https://vuldb.com/?ctiid.263083 · Note