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Vulnerability record · CVE-2024-7582 · published 7 August 2024

CVE-2024-7582: Tenda i22 firmware classic buffer overflow vulnerability

Tenda · I22 Firmware

A vulnerability classified as critical was found in Tenda i22 1.0.0.3(4687). This vulnerability affects the function formApPortalAccessCodeAuth of the file /goform/apPortalAccessCodeAuth. The manipulation of the argument accessCode/data/acceInfo leads to buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

8.7 CVSS 4.0 High EPSS 1.4% · top 29.3% CWE-120 · Classic buffer overflowCWE-787 · Out-of-bounds write
8.7CVSS 4.0 base score, v2 9.0
1.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 1 tagged exploit
17 Jun 2026Last modified by NVD

Description

A vulnerability classified as critical was found in Tenda i22 1.0.0.3(4687). This vulnerability affects the function formApPortalAccessCodeAuth of the file /goform/apPortalAccessCodeAuth. The manipulation of the argument accessCode/data/acceInfo leads to buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/BeaCox/IoT_vuln/tree/main/tenda/i22/ApPortalAccessCodeAuth ExploitThird Party Advisory
https://vuldb.com/?ctiid.273862 Permissions RequiredVDB Entry
https://vuldb.com/?id.273862 Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.382834 Third Party AdvisoryVDB Entry

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.8CVE-2024-4252Tenda i22 firmware stack-based buffer overflow vulnerabilityA vulnerability classified as critical has been found in Tenda i22 1.0.0.3(4687). This affects the function formSetUrlFilterRule. The manipulation of…EPSS 1.5%8.7CVE-2024-7585Tenda i22 firmware classic buffer overflow vulnerabilityA vulnerability has been found in Tenda i22 1.0.0.3(4687) and classified as critical. Affected by this vulnerability is the function formApPortalWebA…EPSS 1.3%8.7CVE-2024-7584Tenda i22 firmware classic buffer overflow vulnerabilityA vulnerability, which was classified as critical, was found in Tenda i22 1.0.0.3(4687). Affected is the function formApPortalPhoneAuth of the file /…EPSS 1.3%8.7CVE-2024-7583Tenda i22 firmware classic buffer overflow vulnerabilityA vulnerability, which was classified as critical, has been found in Tenda i22 1.0.0.3(4687). This issue affects the function formApPortalOneKeyAuth …EPSS 1.4%7.5CVE-2022-45665Tenda i22 firmware classic buffer overflow vulnerabilityTenda i22 V1.0.0.3(4687) was discovered to contain a buffer overflow via the funcpara1 parameter in the formSetCfm function.EPSS 0.82%7.5CVE-2022-45666Tenda i22 firmware classic buffer overflow vulnerabilityTenda i22 V1.0.0.3(4687) was discovered to contain a buffer overflow via the list parameter in the formwrlSSIDset function.EPSS 0.82%7.5CVE-2022-45663Tenda i22 firmware classic buffer overflow vulnerabilityTenda i22 V1.0.0.3(4687) was discovered to contain a buffer overflow via the index parameter in the formWifiMacFilterSet function.EPSS 0.82%7.5CVE-2022-45664Tenda i22 firmware classic buffer overflow vulnerabilityTenda i22 V1.0.0.3(4687) was discovered to contain a buffer overflow via the list parameter in the formwrlSSIDget function.EPSS 0.82%

Source: NIST National Vulnerability Database (record CVE-2024-7582), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.