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I22 Firmware CVE-2024-7585

HIGH
Classic Buffer Overflow (CWE-120)
2024-08-07 cna@vuldb.com
8.7
CVSS 4.0 · Vendor: vuldb
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Vulnerability Assessment

Weakness
CWE
ASVS 5.0
V15 - Secure Coding and Architecture Buffer copy size validation
MITRE ATT&CK

1 technique across 1 tactic: Execution

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Impact

CVSS score of 8.7 (HIGH). Attack characteristics: network attack vector, low complexity, low privileges required, no user interaction not required. Public proof-of-concept exploit code is available.

Exploit ScenarioDerived

A remote attacker could overflow a buffer to corrupt adjacent memory by sending crafted requests to the affected application.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 1.3% exploitation probability (EPSS)

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AnalysisAI

A vulnerability has been found in Tenda i22 1.0.0.3(4687) and classified as critical. Rated high severity (CVSS 8.7), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Always validate buffer sizes before copy operations. Use bounded functions (strncpy, snprintf). Enable compiler protections.

Affects your stack

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Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified as Buffer Copy without Size Check (CWE-120), which allows attackers to overflow a buffer to corrupt adjacent memory. A vulnerability has been found in Tenda i22 1.0.0.3(4687) and classified as critical. Affected by this vulnerability is the function formApPortalWebAuth of the file /goform/apPortalAuth. The manipulation of the argument webUserName/webUserPassword leads to buffer overflow. The attack can be launched 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. Affected products include: Tenda I22 Firmware.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

Vendor (vuldb) PRIMARY 8.7 HIGH
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

Primary rating from Vendor (vuldb) · only source for this CVE.

CVSS VectorVendor: vuldb

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
Low
User Interaction
None
Vulnerable system: Confidentiality
High
Vulnerable system: Integrity
High
Vulnerable system: Availability
High
Subsequent system: Confidentiality
None
Subsequent system: Integrity
None
Subsequent system: Availability
None

DescriptionCVE.org

A vulnerability has been found in Tenda i22 1.0.0.3(4687) and classified as critical. Affected by this vulnerability is the function formApPortalWebAuth of the file /goform/apPortalAuth. The manipulation of the argument webUserName/webUserPassword leads to buffer overflow. The attack can be launched 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.

Threat Intelligence Overview

EPSS Score
1.3%
Top 32% exploitable
Exploit
POC
Public exploit code exists
Data Quality
4 sources
Confidence: Medium

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity HIGH
CISA KEV No
Public POC Yes
EPSS 1.3%
Patch available No
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
Poc
System Exposure· derived
Open
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

65
Low Medium High Critical
KEV: 0
EPSS: +1
CVSS: +44
PoC: +20
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

A buffer overflow occurs when a program writes more data to a memory buffer than it was allocated to hold, causing the excess data to spill into adjacent memory regions.

Affected Products (CPE)CVE.org

cpe:2.3:o:tenda:i22_firmware:1.0.0.3\(4687\):*:*:*:*:*:*:*
CVE-2024-7584 HIGH POC
8.7 Aug 07

A vulnerability, which was classified as critical, was found in Tenda i22 1.0.0.3(4687). Rated high severity (CVSS 8.7),

CVE-2024-7583 HIGH POC
8.7 Aug 07

A vulnerability, which was classified as critical, has been found in Tenda i22 1.0.0.3(4687). Rated high severity (CVSS

CVE-2024-7582 HIGH POC
8.7 Aug 07

A vulnerability classified as critical was found in Tenda i22 1.0.0.3(4687). Rated high severity (CVSS 8.7), this vulner

CVE-2022-45666 HIGH POC
7.5 Dec 20

Tenda i22 V1.0.0.3(4687) was discovered to contain a buffer overflow via the list parameter in the formwrlSSIDset functi

CVE-2022-45665 HIGH POC
7.5 Dec 20

Tenda i22 V1.0.0.3(4687) was discovered to contain a buffer overflow via the funcpara1 parameter in the formSetCfm funct

CVE-2022-45672 HIGH POC
7.5 Dec 02

Tenda i22 V1.0.0.3(4687) was discovered to contain a buffer overflow via the formWx3AuthorizeSet function. Rated high se

CVE-2022-45671 HIGH POC
7.5 Dec 02

Tenda i22 V1.0.0.3(4687) was discovered to contain a buffer overflow via the appData parameter in the formSetAppFilterRu

CVE-2022-45670 HIGH POC
7.5 Dec 02

Tenda i22 V1.0.0.3(4687) was discovered to contain a buffer overflow via the ping1 parameter in the formSetAutoPing func

CVE-2022-45669 HIGH POC
7.5 Dec 02

Tenda i22 V1.0.0.3(4687) was discovered to contain a buffer overflow via the index parameter in the formWifiMacFilterGet

CVE-2022-45664 HIGH POC
7.5 Dec 02

Tenda i22 V1.0.0.3(4687) was discovered to contain a buffer overflow via the list parameter in the formwrlSSIDget functi

CVE-2022-45663 HIGH POC
7.5 Dec 02

Tenda i22 V1.0.0.3(4687) was discovered to contain a buffer overflow via the index parameter in the formWifiMacFilterSet

CVE-2025-9297 HIGH POC
7.4 Aug 21

A vulnerability was detected in Tenda i22 1.0.0.3(4687). Rated high severity (CVSS 7.4), this vulnerability is remotely

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