TOTOLINK A3002R/A3002RU 3.0.0-B20230809.1615 HTTP POST Request /boafrm/formFilter ip6addr buffer overflow

Summaryinfo

A vulnerability described as critical has been identified in TOTOLINK A3002R and A3002RU 3.0.0-B20230809.1615. Affected by this vulnerability is an unknown functionality of the file /boafrm/formFilter of the component HTTP POST Request Handler. Executing a manipulation of the argument ip6addr can lead to buffer overflow. The identification of this vulnerability is CVE-2025-4732. The attack may be launched remotely. Furthermore, there is an exploit available.

Detailsinfo

A vulnerability classified as critical was found in TOTOLINK A3002R and A3002RU 3.0.0-B20230809.1615. This vulnerability affects an unknown code block of the file /boafrm/formFilter of the component HTTP POST Request Handler. The manipulation of the argument ip6addr with an unknown input leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. As an impact it is known to affect confidentiality, integrity, and availability.

The advisory is available at github.com. This vulnerability was named CVE-2025-4732. The exploitation appears to be easy. The attack can be initiated remotely. Technical details and also a public exploit are known.

It is possible to download the exploit at github.com. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

• TOTOLINK

Name

• A3002R
• A3002RU

Version

• 3.0.0-B20230809.1615

License

• commercial

Website

• Vendor: https://www.totolink.net/

CPE 2.3info

• 🔒
• 🔒
• 🔒

CPE 2.2info

• 🔒
• 🔒
• 🔒

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.4

VulDB Base Score: 8.8
VulDB Temp Score: 8.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 8.8
CNA Vector: 🔒

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

05/15/2025 Advisory disclosed
05/15/2025 +0 days VulDB entry created
06/20/2025 +36 days VulDB entry last update

Sourcesinfo

Vendor: totolink.net

Advisory: github.com
Status: Not defined

CVE: CVE-2025-4732 (🔒)
GCVE (CVE): GCVE-0-2025-4732
GCVE (VulDB): GCVE-100-309034
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 05/15/2025 09:28
Updated: 06/20/2025 16:29
Changes: 05/15/2025 09:28 (56), 05/16/2025 12:16 (30), 06/20/2025 16:29 (1)
Complete: 🔍
Submitter: CH13hh
Cache ID: 216::103

Submitinfo

Accepted

• Submit #570690: TOTOLINK A3002RU V3 and A3002R_V4 V3.0.0-B20230809.1615 Buffer Overflow (by CH13hh)

Duplicate

• Submit #XXXXXX: Xxxxxxxx Xxxxxx Xx.x.x-xxxxxxxxx.xxxx Xxxxx-xxxxx Xxxxxx Xxxxxxxx (by pjq123)

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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