What’s Vulnerable › Vulnerabilities

CVE-2024-4250: Tenda i21 wifiSSIDset formwrlSSIDset 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 was found in Tenda i21 1.0.0.14(4656). It has been declared as critical. Affected by this vulnerability is the function formwrlSSIDset of the file /goform/wifiSSIDset. The manipulation of the argument ssidIndex 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 identifier VDB-262141 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/formwrlSSIDset.md
• https://vuldb.com/?ctiid.262141
• https://vuldb.com/?id.262141
• https://vuldb.com/?submit.319835
• https://github.com/abcdefg-png/IoT-vulnerable/blob/main/Tenda/i/i21/formwrlSSIDset.md
• https://vuldb.com/?ctiid.262141
• https://vuldb.com/?id.262141
• https://vuldb.com/?submit.319835

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