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CVE-2024-4252: Tenda i22 formSetUrlFilterRule 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 classified as critical has been found in Tenda i22 1.0.0.3(4687). This affects the function formSetUrlFilterRule. The manipulation of the argument groupIndex leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The associated identifier of this vulnerability is VDB-262143. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

• Tenda i22: 1.0.0.3(4687)

References

• https://github.com/abcdefg-png/IoT-vulnerable/blob/main/Tenda/i/i22/formSetUrlFilterRule.md
• https://vuldb.com/?ctiid.262143
• https://vuldb.com/?id.262143
• https://vuldb.com/?submit.319840
• https://github.com/abcdefg-png/IoT-vulnerable/blob/main/Tenda/i/i22/formSetUrlFilterRule.md
• https://vuldb.com/?ctiid.262143
• https://vuldb.com/?id.262143
• https://vuldb.com/?submit.319840

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