CVE-2025-4833

TOTOLINK A702R/A3002R/A3002RU HTTP POST Request formNtp buffer overflow

Severity Score

8.7

*CVSS v4

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Attend

*SSVC

Descriptions

NVD
MITRE

A vulnerability was found in TOTOLINK A702R, A3002R and A3002RU 3.0.0-B20230809.1615 and classified as critical. This issue affects some unknown processing of the file /boafrm/formNtp of the component HTTP POST Request Handler. The manipulation of the argument submit-url leads to buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.

Eine kritische Schwachstelle wurde in TOTOLINK A702R, A3002R and A3002RU 3.0.0-B20230809.1615 gefunden. Hierbei geht es um eine nicht exakt ausgemachte Funktion der Datei /boafrm/formNtp der Komponente HTTP POST Request Handler. Dank Manipulation des Arguments submit-url mit unbekannten Daten kann eine buffer overflow-Schwachstelle ausgenutzt werden. Umgesetzt werden kann der Angriff über das Netzwerk. Der Exploit steht zur öffentlichen Verfügung.

*Credits: DaddyShark

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Attack Requirements

None

Privileges Required

Low

User Interaction

None

System

Vulnerable | Subsequent

Confidentiality

High

None

Integrity

High

None

Availability

High

None

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

Single

Confidentiality

Complete

Integrity

Complete

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:Attend

Exploitation

Poc

Automatable

Tech. Impact

Total

* Organization's Worst-case Scenario

Timeline

2025-05-16 CVE Reserved
2025-05-17 CVE Published
2025-05-19 CVE Updated
2025-05-19 First Exploit
2025-05-24 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

CAPEC

References (4)

URL	Tag	Source
https://vuldb.com/?id.309299	Technical Description
https://vuldb.com/?submit.574606	Third Party Advisory
https://www.totolink.net	Product

URL	Date	SRC
https://github.com/CH13hh/tmp_store_cc/blob/main/toto/11.md	2025-05-19

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Totolink Search vendor "Totolink"		A3002r Search vendor "Totolink" for product "A3002r"				*		-		Affected
Totolink Search vendor "Totolink"		A3002ru Search vendor "Totolink" for product "A3002ru"				*		-		Affected
Totolink Search vendor "Totolink"		A702r Search vendor "Totolink" for product "A702r"				*		-		Affected