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Ac15 Firmware CVE-2024-2852

CRITICAL
Stack-based Buffer Overflow (CWE-121)
2024-03-24 cna@vuldb.com
9.8
CVSS 3.1 · NVD
View

Vulnerability Assessment

Weakness
CWE
ASVS 5.0
V15 - Secure Coding and Architecture Stack buffer bounds checking
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 9.8 (CRITICAL). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. Public proof-of-concept exploit code is available.

Exploit ScenarioDerived

This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the critical-severity affected system.

Act Now Prioritize within 24-48h. Why: CRITICAL severity + public POC available.
No patch listed yet 1.3% exploitation probability (EPSS)

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AnalysisAI

A vulnerability was found in Tenda AC15 15.03.20_multi. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, 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. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

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 under CWE-121. A vulnerability was found in Tenda AC15 15.03.20_multi. It has been declared as critical. This vulnerability affects the function saveParentControlInfo of the file /goform/saveParentControlInfo. The manipulation of the argument urls 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 identifier of this vulnerability is VDB-257776. NOTE: The vendor was contacted early about this disclosure but did not respond in any way. Affected products include: Tenda Ac15 Firmware.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 9.8 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

DescriptionNVD

A vulnerability was found in Tenda AC15 15.03.20_multi. It has been declared as critical. This vulnerability affects the function saveParentControlInfo of the file /goform/saveParentControlInfo. The manipulation of the argument urls 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 identifier of this vulnerability is VDB-257776. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Threat Intelligence Overview

EPSS Score
1.3%
Top 33% 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 CRITICAL
CISA KEV No
Public POC Yes
EPSS 1.3%
Patch available No
Active threat No
Deciding rule
CRITICAL severity + public POC available
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
Yes
Human Impact· derived
Medium

Priority Score

70
Low Medium High Critical
KEV: 0
EPSS: +1
CVSS: +49
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.

A stack-based buffer overflow occurs when a program writes more data to a buffer located on the stack than it was allocated to hold.

Affected Products (CPE)NVD

cpe:2.3:o:tenda:ac15_firmware:15.03.20_multi:*:*:*:*:*:*:*
CVE-2025-25632 CRITICAL POC
9.8 Mar 05

Tenda AC15 v15.03.05.19 is vulnerable to Command Injection via the handler function in /goform/telnet. Rated critical se

CVE-2026-24105 CRITICAL POC
9.8 Mar 02

Tenda AC15 router has a code injection in formsetUsbUnload (EPSS 1.7%) enabling unauthenticated remote code execution.

CVE-2026-24101 CRITICAL POC
9.8 Mar 02

Tenda AC15 router has a command injection in formSetIptv (EPSS 1.1%) enabling unauthenticated root-level code execution.

CVE-2026-24103 CRITICAL POC
9.8 Mar 03

Buffer overflow in Tenda AC15V1.0 via formSetMacFilterCfg. PoC available.

CVE-2024-2855 CRITICAL POC
9.8 Mar 24

A vulnerability classified as critical was found in Tenda AC15 15.03.05.18/15.03.05.19/15.03.20. Rated critical severity

CVE-2024-2851 CRITICAL POC
9.8 Mar 24

A vulnerability was found in Tenda AC15 15.03.05.18/15.03.20_multi. Rated critical severity (CVSS 9.8), this vulnerabili

CVE-2024-2850 CRITICAL POC
9.8 Mar 24

A vulnerability was found in Tenda AC15 15.03.05.18 and classified as critical. Rated critical severity (CVSS 9.8), this

CVE-2024-2815 CRITICAL POC
9.8 Mar 22

A vulnerability classified as critical has been found in Tenda AC15 15.03.20_multi. Rated critical severity (CVSS 9.8),

CVE-2024-2814 CRITICAL POC
9.8 Mar 22

A vulnerability was found in Tenda AC15 15.03.20_multi. Rated critical severity (CVSS 9.8), this vulnerability is remote

CVE-2024-2813 CRITICAL POC
9.8 Mar 22

A vulnerability was found in Tenda AC15 15.03.20_multi. Rated critical severity (CVSS 9.8), this vulnerability is remote

CVE-2024-2811 CRITICAL POC
9.8 Mar 22

A vulnerability was found in Tenda AC15 15.03.20_multi and classified as critical. Rated critical severity (CVSS 9.8), t

CVE-2024-2810 CRITICAL POC
9.8 Mar 22

A vulnerability has been found in Tenda AC15 15.03.05.18/15.03.20_multi and classified as critical. Rated critical sever

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