TOTOLINK A3002RU 3.0.0-B20230809.1615 HTTP POST Request /boafrm/formWlSiteSurvey submit-url buffer overflow

Summaryinfo

A vulnerability was found in TOTOLINK A3002RU 3.0.0-B20230809.1615. It has been declared as critical. This vulnerability affects unknown code of the file /boafrm/formWlSiteSurvey of the component HTTP POST Request Handler. The manipulation of the argument submit-url results in buffer overflow. This vulnerability is known as CVE-2025-6939. It is possible to launch the attack remotely. Furthermore, an exploit is available.

Detailsinfo

A vulnerability classified as critical has been found in TOTOLINK A3002RU 3.0.0-B20230809.1615. Affected is some unknown processing of the file /boafrm/formWlSiteSurvey of the component HTTP POST Request Handler. The manipulation of the argument submit-url with an unknown input leads to a buffer overflow vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability.

The advisory is shared for download at github.com. This vulnerability is traded as CVE-2025-6939. The exploitability is told to be easy. It is possible to launch the attack remotely. Technical details and a public exploit are known.

The exploit is shared for download 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.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

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Version

License

Website

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

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

06/30/2025 Advisory disclosed
06/30/2025 +0 days VulDB entry created
07/01/2025 +1 days VulDB entry last update

Sourcesinfo

Vendor: totolink.net

Advisory: github.com
Status: Not defined

CVE: CVE-2025-6939 (🔒)
GCVE (CVE): GCVE-0-2025-6939
GCVE (VulDB): GCVE-100-314460
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 06/30/2025 08:04 PM
Updated: 07/01/2025 02:36 PM
Changes: 06/30/2025 08:04 PM (56), 07/01/2025 11:07 AM (31), 07/01/2025 02:36 PM (1)
Complete: 🔍
Submitter: Ye Leipeng
Cache ID: 244::40

Submitinfo

Accepted

  • Submit #605860: TOTOLINK A3002RU V3.0.0-B20230809.1615 Buffer Overflow (by Ye Leipeng)

Once again VulDB remains the best source for vulnerability data.

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