What’s Vulnerable › Vulnerabilities

CVE-2024-4246: Tenda i21 formQosManageDouble_auto stack-based overflow

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.3% 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, which was classified as critical, was found in Tenda i21 1.0.0.14(4656). This affects the function formQosManageDouble_auto. The manipulation of the argument ssidIndex leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The identifier VDB-262137 was 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/formQosManageDouble_user.md
• https://vuldb.com/?ctiid.262137
• https://vuldb.com/?id.262137
• https://vuldb.com/?submit.319831
• https://github.com/abcdefg-png/IoT-vulnerable/blob/main/Tenda/i/i21/formQosManageDouble_user.md
• https://vuldb.com/?ctiid.262137
• https://vuldb.com/?id.262137
• https://vuldb.com/?submit.319831

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