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8.8

CVE-2024-4493: A vulnerability, which was classified as critical, was found in Tenda i21 1.0.0.14(4656). Affected is the function formSetAutoPing. The manipulation of the argument ping1/ping2 leads to stack-based...

CVE-2024-4493 · published 2 years ago
Summary

A vulnerability, which was classified as critical, was found in Tenda i21 1.0.0.14(4656). Affected is the function formSetAutoPing. The manipulation of the argument ping1/ping2 leads to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the p...

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
tenda i21_firmware 1.0.0.14\(4656\)
cpe:2.3:o:tenda:i21_firmware:1.0.0.14\(4656\):*:*:*:*:*:*:*
Original advisory text
A vulnerability, which was classified as critical, was found in Tenda i21 1.0.0.14(4656). Affected is the function formSetAutoPing. The manipulation of the argument ping1/ping2 leads to stack-based...
A vulnerability, which was classified as critical, was found in Tenda i21 1.0.0.14(4656). Affected is the function formSetAutoPing. The manipulation of the argument ping1/ping2 leads to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. VDB-263082 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
References
Fix within
Internet-facing 14 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit
  • Gives an attacker full control
Severity
8.8 High
Exploitation
1% chance of attack within 30 days
Type
CWE-121Stack-based Buffer Overflow
CWE-787Out-of-bounds Write
Timeline
Published5 May 2024
Updated4 Nov 2026
First seen29 Sep 2026
Sources
CVE-2024-4493 · NVD
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