Vulnerability · Published May 5, 2024 · Assigned by VulDB

CVE-2024-4494Tenda i21 setUplinkInfo formSetUplinkInfo 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 has been found in Tenda i21 1.0.0.14(4656) and classified as critical. Affected by this vulnerability is the function formSetUplinkInfo of the file /goform/setUplinkInfo. The manipulation of the argument pingHostIp2 leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-263083. 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-263083 | Tenda i21 setUplinkInfo formSetUplinkInfo stack-based overflow vdb-entry, technical-description
VDB-263083 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
Submit #323604 | Tenda i21 V1.0.0.14(4656) Buffer Overflow third-party-advisory
https://github.com/abcdefg-png/IoT-vulnerable/blob/main/Tenda/i/i21/formSetUplinkInfo.md exploit