What’s Vulnerable › Vulnerabilities

CVE-2024-4247: Tenda i21 formQosManage_auto stack-based overflow

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-04-27 · updated 2026-06-17
• Weakness: CWE-121

Description

A vulnerability has been found in Tenda i21 1.0.0.14(4656) and classified as critical. This vulnerability affects the function formQosManage_auto. The manipulation of the argument ssidIndex leads to stack-based buffer overflow. The attack can be initiated remotely. VDB-262138 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

• Tenda i21: 1.0.0.14(4656)

References

• https://github.com/abcdefg-png/IoT-vulnerable/blob/main/Tenda/i/i21/formQosManage_auto.md
• https://vuldb.com/?ctiid.262138
• https://vuldb.com/?id.262138
• https://vuldb.com/?submit.319832
• https://github.com/abcdefg-png/IoT-vulnerable/blob/main/Tenda/i/i21/formQosManage_auto.md
• https://vuldb.com/?ctiid.262138
• https://vuldb.com/?id.262138
• https://vuldb.com/?submit.319832

Get alerted when CVE-2024-4247 or the next vulnerability affects your stack