CVE-2024-4250

Tenda i21 wifiSSIDset formwrlSSIDset stack-based overflow

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. In Tenda i21 1.0.0.14(4656) wurde eine kritische Schwachstelle ausgemacht. Das betrifft die Funktion formwrlSSIDset der Datei /goform/wifiSSIDset. Dank der Manipulation des Arguments ssidIndex mit unbekannten Daten kann eine stack-based buffer overflow-Schwachstelle ausgenutzt werden. Der Angriff kann über das Netzwerk angegangen werden. Der Exploit steht zur öffentlichen Verfügung.

Affected

Tenda · i21

CVSS v3.1 NVD

8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0 VULDB

9.0 HIGHAV:N/AC:L/Au:S/C:C/I:C/A:C

EPSS

1.35% chance of exploitation in the next 30 days, 71st percentile

Published

2024-04-27

Updated

2024-08-01

Proof-of-concept exploits (1)

• abcdefg-png/IoT-vulnerable/blob/main/Tenda/i/i21/formwrlSSIDset.md70★ · 2026-08-21

Security advisories

• https://vuldb.com/?ctiid.262141
• https://vuldb.com/?id.262141
• https://vuldb.com/?submit.319835

References

• CVE Record
• NVD entry