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Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A10:2025 - Mishandling of Exceptional Conditions
ASVS 5.0
V16 - Security Logging and Error Handling Null pointer safety, defensive checks
MITRE ATT&CK

1 technique across 1 tactic: Impact

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

Impact

CVSS score of 7.1 (HIGH). Attack characteristics: network attack vector, low complexity, low privileges required, no user interaction not required.

Exploit ScenarioDerived

A remote attacker could crash the application by dereferencing a null pointer 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 0.8% exploitation probability (EPSS)

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AnalysisAI

A vulnerability was found in Tenda AC6, AC7, AC8, AC9, AC10, AC10U, AC15, AC18, AC500 and AC1206 up to 20241022. Rated high severity (CVSS 7.1), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Check pointers before dereferencing. Use static analysis tools to detect null pointer paths.

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 NULL Pointer Dereference (CWE-476), which allows attackers to crash the application by dereferencing a null pointer. A vulnerability was found in Tenda AC6, AC7, AC8, AC9, AC10, AC10U, AC15, AC18, AC500 and AC1206 up to 20241022. It has been rated as problematic. The manipulation of the argument Content-Length leads to null pointer dereference. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. Affected products include: Tenda Ac15 Firmware, Tenda Ac7 Firmware, Tenda Ac10U Firmware, Tenda Ac500 Firmware, Tenda Ac18 Firmware. Version information: up to 20241022..

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

Vendor (vuldb) PRIMARY 7.1 HIGH
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/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
None
Vulnerable system: Integrity
None
Vulnerable system: Availability
High
Subsequent system: Confidentiality
None
Subsequent system: Integrity
None
Subsequent system: Availability
None

DescriptionCVE.org

A vulnerability was found in Tenda AC6, AC7, AC8, AC9, AC10, AC10U, AC15, AC18, AC500 and AC1206 up to 20241022. It has been rated as problematic. This issue affects the function websReadEvent of the file /goform/GetIPTV. The manipulation of the argument Content-Length leads to null pointer dereference. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.

Threat Intelligence Overview

EPSS Score
0.8%
Top 49% exploitable
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 No
EPSS 0.8%
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
None
System Exposure· derived
Open
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

37
Low Medium High Critical
KEV: 0
EPSS: +1
CVSS: +36
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

A null pointer dereference occurs when a program attempts to access memory through a pointer that has been set to NULL (address 0x0).

Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.

Affected Products (CPE)CVE.org

cpe:2.3:o:tenda:ac15_firmware:15.03.05.18:*:*:*:*:*:*:*
cpe:2.3:o:tenda:ac15_firmware:15.03.05.19:*:*:*:*:*:*:*
cpe:2.3:o:tenda:ac7_firmware:15.03.06.44:*:*:*:*:*:*:*
cpe:2.3:o:tenda:ac10u_firmware:15.03.06.48:*:*:*:*:*:*:*
cpe:2.3:o:tenda:ac10u_firmware:15.03.06.49:*:*:*:*:*:*:*
cpe:2.3:o:tenda:ac500_firmware:1.0.0.14:*:*:*:*:*:*:*
cpe:2.3:o:tenda:ac500_firmware:1.0.0.16:*:*:*:*:*:*:*
cpe:2.3:o:tenda:ac500_firmware:2.0.1.9\(1307\):*:*:*:*:*:*:*
cpe:2.3:o:tenda:ac18_firmware:15.03.05.05:*:*:*:*:*:*:*
cpe:2.3:o:tenda:ac18_firmware:15.03.05.19\(6318\):*:*:*:*:*:*:*
cpe:2.3:o:tenda:ac9_firmware:15.03.2.13:*:*:*:*:*:*:*
cpe:2.3:o:tenda:ac9_firmware:15.03.05.14:*:*:*:*:*:*:*
cpe:2.3:o:tenda:ac9_firmware:15.03.05.19\(6318\):*:*:*:*:*:*:*
cpe:2.3:o:tenda:ac9_firmware:15.03.06.42:*:*:*:*:*:*:*
cpe:2.3:o:tenda:ac1206_firmware:15.03.06.23:*:*:*:*:*:*:*
cpe:2.3:o:tenda:ac6_firmware:15.03.06.23:*:*:*:*:*:*:*
cpe:2.3:o:tenda:ac10_firmware:16.03.10.13:*:*:*:*:*:*:*
cpe:2.3:o:tenda:ac10_firmware:16.03.10.20:*:*:*:*:*:*:*
cpe:2.3:o:tenda:ac10_firmware:16.03.48.19:*:*:*:*:*:*:*
cpe:2.3:o:tenda:ac10_firmware:16.03.48.23:*:*:*:*:*:*:*
+ 2 more
CVE-2025-25456 CRITICAL POC
9.8 Apr 15

Tenda AC10 V4.0si_V16.03.10.20 is vulnerable to Buffer Overflow in AdvSetMacMtuWan via mac2. Rated critical severity (CV

CVE-2025-67073 CRITICAL POC
9.8 Dec 17

Unauthenticated remote attackers can trigger a buffer overflow in the Tenda AC10 v4.0 router's HTTP daemon (bin/httpd) b

CVE-2023-45484 CRITICAL POC
9.8 Nov 29

Tenda AC10 version US_AC10V4.0si_V16.03.10.13_cn was discovered to contain a stack overflow via the shareSpeed parameter

CVE-2023-45483 CRITICAL POC
9.8 Nov 29

Tenda AC10 version US_AC10V4.0si_V16.03.10.13_cn was discovered to contain a stack overflow via the time parameter in th

CVE-2023-45482 CRITICAL POC
9.8 Nov 29

Tenda AC10 version US_AC10V4.0si_V16.03.10.13_cn was discovered to contain a stack overflow via the urls parameter in th

CVE-2023-45481 CRITICAL POC
9.8 Nov 29

Tenda AC10 version US_AC10V4.0si_V16.03.10.13_cn was discovered to contain a stack overflow via the firewallEn parameter

CVE-2023-45480 CRITICAL POC
9.8 Nov 29

Tenda AC10 version US_AC10V4.0si_V16.03.10.13_cn was discovered to contain a stack overflow via the src parameter in the

CVE-2023-45479 CRITICAL POC
9.8 Nov 29

Tenda AC10 version US_AC10V4.0si_V16.03.10.13_cn was discovered to contain a stack overflow via the list parameter in th

CVE-2023-42320 CRITICAL POC
9.8 Sep 18

Buffer Overflow vulnerability in Tenda AC10V4 v.US_AC10V4.0si_V16.03.10.13_cn_TDC01 allows a remote attacker to cause a

CVE-2023-38937 CRITICAL POC
9.8 Aug 07

Tenda AC10 V1.0 V15.03.06.23, AC1206 V15.03.06.23, AC8 v4 V16.03.34.06, AC6 V2.0 V15.03.06.23, AC7 V1.0 V15.03.06.44, AC

CVE-2023-38936 CRITICAL POC
9.8 Aug 07

Tenda AC10 V1.0 V15.03.06.23, AC1206 V15.03.06.23, AC6 V2.0 V15.03.06.23, AC7 V1.0 V15.03.06.44, AC5 V1.0 V15.03.06.28,

CVE-2023-38935 CRITICAL POC
9.8 Aug 07

Tenda AC1206 V15.03.06.23, AC8 V4 V16.03.34.06, AC5 V1.0 V15.03.06.28, AC10 v4.0 V16.03.10.13 and AC9 V3.0 V15.03.06.42_

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