Vulnerability · Published May 5, 2024 · Assigned by VulDB

CVE-2024-4492Tenda i21 setStaOffline formOfflineSet stack-based overflow

High 8.8

In plain English

A high-severity stack buffer overflow in i21 from Tenda. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.5% (higher than 74% of all known vulnerabilities).

Severity (CVSS 3.1)8.8High

Exploit odds (30 days)1.5%top 26.5% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

A vulnerability, which was classified as critical, has been found in Tenda i21 1.0.0.14(4656). This issue affects the function formOfflineSet of the file /goform/setStaOffline. The manipulation of the argument GO/ssidIndex leads to stack-based buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-263081 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Affected products (as reported)

Vendor	Product	Versions
Tenda	i21	1.0.0.14(4656)

Weakness: CWE-121 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

VDB-263081 | Tenda i21 setStaOffline formOfflineSet stack-based overflow vdb-entry, technical-description
VDB-263081 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
Submit #323601 | Tenda i21 V1.0.0.14(4656) Buffer Overflow third-party-advisory
https://github.com/abcdefg-png/IoT-vulnerable/blob/main/Tenda/i/i21/formOfflineSet.md exploit