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Ch22 Firmware CVE-2025-9006

HIGH
Buffer Overflow (CWE-119)
2025-08-15 cna@vuldb.com
7.4
CVSS 4.0 · NVD
View

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A06:2021 - Vulnerable and Outdated Components
ASVS 5.0
V15 - Secure Coding and Architecture Bounds checking, buffer size validation
MITRE ATT&CK

2 techniques across 2 tactics: Execution, Privilege Escalation

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

Impact

CVSS score of 7.4 (HIGH). Attack characteristics: network attack vector, low complexity, low privileges required, no user interaction not required. Public proof-of-concept exploit code is available. EPSS exploitation probability: 0.25%.

Exploit ScenarioDerived

A remote attacker could corrupt memory to execute arbitrary code or crash the application by sending crafted requests to the affected application.

This Month Plan within 30 days. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 0.2% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 28, 2026

A vulnerability was identified in Tenda CH22 1.0.0.1. Rated high severity (CVSS 7.4), 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. Use memory-safe languages or bounds-checking. Enable ASLR, DEP/NX, stack canaries. Use safe string functions.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

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 Overflow (CWE-119), which allows attackers to corrupt memory to execute arbitrary code or crash the application. A vulnerability was identified in Tenda CH22 1.0.0.1. Affected by this vulnerability is the function formdelFileName of the file /goform/delFileName. The manipulation leads to buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. Affected products include: Tenda Ch22 Firmware.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 7.4 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/E:P

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Lifecycle Timeline

2
PoC Detected
Sep 26, 2025 - 12:30 vuln.today
Public exploit code
CVE Published
Aug 15, 2025 - 03:15 nvd
HIGH 7.4

DescriptionCVE.org

A vulnerability was identified in Tenda CH22 1.0.0.1. Affected by this vulnerability is the function formdelFileName of the file /goform/delFileName. The manipulation leads to buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.

Executive ViewAI

Why It Matters

Organizations using A vulnerability face moderate risk from CVE-2025-9006, a buffer overflow vulnerability rated CVSS 7.4. Exploitation could allow attackers to corrupt memory, crash the application, or potentially execute arbitrary code. Proof-of-concept code is publicly available, increasing the risk of exploitation. Organizations should apply vendor updates when available and consider compensating controls in the interim.

Business Impact: Moderate
Compensating Controls

Apply vendor patch. If immediate patching is not feasible: (1) Implement network-level access controls to limit exposure; (2) Enable enhanced monitoring and alerting; (3) Apply principle of least privilege.

Threat Intelligence Overview

EPSS Score
0.2%
Top 52% exploitable
Exploit
POC
Public exploit code exists

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 0.2%
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

Exploitation· derived
Poc
System Exposure· derived
Open
Automatable· derived
No

Priority Score

57
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +37
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:ch22_firmware:1.0.0.1:*:*:*:*:*:*:*
CVE-2025-11418 HIGH POC
8.9 Oct 08

Stack-based buffer overflow in Tenda CH22 firmware (up to version 1.0.0.1) allows unauthenticated remote attackers to po

CVE-2024-46045 CRITICAL POC
9.8 Sep 13

Tenda CH22 V1.0.0.6(468) has a stack overflow vulnerability located in the frmL7PlotForm function. Rated critical severi

CVE-2024-46044 CRITICAL POC
9.8 Sep 13

CH22 V1.0.0.6(468) has a stack overflow vulnerability located in the fromqossetting function. Rated critical severity (C

CVE-2025-11423 HIGH POC
8.9 Oct 08

Memory corruption in Tenda CH22 firmware 1.0.0.1 allows unauthenticated remote attackers to compromise the device via a

CVE-2025-5619 HIGH POC
8.8 Jun 04

Critical stack-based buffer overflow vulnerability in Tenda CH22 version 1.0.0.1 affecting the /goform/addUserName endpo

CVE-2025-5685 HIGH POC
8.8 Jun 05

Critical stack-based buffer overflow vulnerability in Tenda CH22 router firmware version 1.0.0.1, affecting the formNatl

CVE-2025-9748 HIGH POC
8.7 Aug 31

A vulnerability was determined in Tenda CH22 1.0.0.1. Rated high severity (CVSS 8.7), this vulnerability is remotely exp

CVE-2025-12232 HIGH POC
7.4 Oct 27

Stack-based buffer overflow in Tenda CH22 firmware 1.0.0.1 allows an attacker with low-privilege authenticated access to

CVE-2025-12233 HIGH POC
7.4 Oct 27

A stack-based buffer overflow (CWE-119) in the Tenda CH22 router firmware version 1.0.0.1 lets remote attackers crash or

CVE-2025-12236 HIGH POC
7.4 Oct 27

A buffer overflow in the Tenda CH22 router firmware (version 1.0.0.1) lets attackers crash or potentially execute code o

CVE-2025-12234 HIGH POC
7.4 Oct 27

Buffer overflow in Tenda CH22 firmware 1.0.0.1 allows an authenticated attacker with access to the web management interf

CVE-2025-12265 HIGH POC
7.4 Oct 27

Authenticated remote attackers can trigger a buffer overflow in the Tenda CH22 (firmware 1.0.0.1) web management interfa

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