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A15 Firmware CVE-2024-0532

HIGH
Buffer Overflow (CWE-119)
2024-01-15 cna@vuldb.com
8.6
CVSS 4.0 · Vendor: vuldb
View

Vulnerability Assessment

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

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 Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 1.8% exploitation probability (EPSS)

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AnalysisAI

A vulnerability was found in Tenda A15 15.13.07.13. Rated high severity (CVSS 8.6), 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 found in Tenda A15 15.13.07.13. It has been declared as critical. This vulnerability affects the function set_repeat5 of the file /goform/WifiExtraSet of the component Web-based Management Interface. The manipulation of the argument wpapsk_crypto2_4g/wpapsk_crypto5g leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way. Affected products include: Tenda A15 Firmware.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

Vendor (vuldb) PRIMARY 8.6 HIGH
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/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
High
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 was found in Tenda A15 15.13.07.13. It has been declared as critical. This vulnerability affects the function set_repeat5 of the file /goform/WifiExtraSet of the component Web-based Management Interface. The manipulation of the argument wpapsk_crypto2_4g/wpapsk_crypto5g leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Threat Intelligence Overview

EPSS Score
1.8%
Top 25% 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 1.8%
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
Poc
System Exposure· derived
Open
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

65
Low Medium High Critical
KEV: 0
EPSS: +2
CVSS: +43
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:a15_firmware:15.13.07.13:*:*:*:*:*:*:*
CVE-2023-46518 CRITICAL POC
9.8 Oct 25

Mercury A15 V1.0 20230818_1.0.3 was discovered to contain a command execution vulnerability via the component cloudDevic

CVE-2022-47128 CRITICAL POC
9.8 Dec 30

Tenda A15 V15.13.07.13 was discovered to contain a stack overflow via the wepkey2 parameter at /goform/WifiBasicSet. Rat

CVE-2022-47127 CRITICAL POC
9.8 Dec 30

Tenda A15 V15.13.07.13 was discovered to contain a stack overflow via the wrlPwd parameter at /goform/WifiBasicSet. Rate

CVE-2022-47126 CRITICAL POC
9.8 Dec 30

Tenda A15 V15.13.07.13 was discovered to contain a stack overflow via the wrlEn parameter at /goform/WifiBasicSet. Rated

CVE-2022-47125 CRITICAL POC
9.8 Dec 30

Tenda A15 V15.13.07.13 was discovered to contain a stack overflow via the wrlEn_5g parameter at /goform/WifiBasicSet. Ra

CVE-2022-47124 CRITICAL POC
9.8 Dec 30

Tenda A15 V15.13.07.13 was discovered to contain a stack overflow via the wepkey4 parameter at /goform/WifiBasicSet. Rat

CVE-2022-47123 CRITICAL POC
9.8 Dec 30

Tenda A15 V15.13.07.13 was discovered to contain a stack overflow via the wepkey3 parameter at /goform/WifiBasicSet. Rat

CVE-2022-47122 CRITICAL POC
9.8 Dec 30

Tenda A15 V15.13.07.13 was discovered to contain a stack overflow via the wrlPwd_5g parameter at /goform/WifiBasicSet. R

CVE-2022-47121 CRITICAL POC
9.8 Dec 30

Tenda A15 V15.13.07.13 was discovered to contain a stack overflow via the wepkey parameter at /goform/WifiBasicSet. Rate

CVE-2022-47120 CRITICAL POC
9.8 Dec 30

Tenda A15 V15.13.07.13 was discovered to contain a stack overflow via the security_5g parameter at /goform/WifiBasicSet.

CVE-2022-47119 CRITICAL POC
9.8 Dec 30

Tenda A15 V15.13.07.13 was discovered to contain a stack overflow via the ssid parameter at /goform/WifiBasicSet. Rated

CVE-2022-47118 CRITICAL POC
9.8 Dec 30

Tenda A15 V15.13.07.13 was discovered to contain a stack overflow via the wepkey1 parameter at /goform/WifiBasicSet. Rat

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