TOTOLINK A702R up to 4.0.0-B20230721.1521 HTTP POST Request /boafrm/formWlSiteSurvey submit-url buffer overflow

CVSS Meta Temp Score
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CTI Interest Score
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8.4$0-$5k0.11

Summaryinfo

A vulnerability was found in TOTOLINK A702R up to 4.0.0-B20230721.1521. It has been classified as critical. This issue affects some unknown processing of the file /boafrm/formWlSiteSurvey of the component HTTP POST Request Handler. This manipulation of the argument submit-url causes buffer overflow. This vulnerability appears as CVE-2025-6825. The attack may be initiated remotely. In addition, an exploit is available.

Detailsinfo

A vulnerability classified as critical was found in TOTOLINK A702R up to 4.0.0-B20230721.1521. Affected by this vulnerability is an unknown code block 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. 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.

It is possible to read the advisory at github.com. This vulnerability is known as CVE-2025-6825. The exploitation appears to be easy. The attack can be launched 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.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-19459). Be aware that VulDB is the high quality 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

06/27/2025 Advisory disclosed
06/27/2025 +0 days VulDB entry created
06/30/2025 +3 days VulDB entry last update

Sourcesinfo

Vendor: totolink.net

Advisory: github.com
Status: Not defined

CVE: CVE-2025-6825 (🔒)
GCVE (CVE): GCVE-0-2025-6825
GCVE (VulDB): GCVE-100-314263
EUVD: 🔒
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 06/27/2025 19:06
Updated: 06/30/2025 18:21
Changes: 06/27/2025 19:06 (56), 06/28/2025 23:36 (31), 06/29/2025 00:28 (1), 06/30/2025 18:21 (1)
Complete: 🔍
Submitter: Ye Leipeng
Cache ID: 216:F23:103

Submitinfo

Accepted

  • Submit #602655: TOTOLINK A702R V4.0.0-B20230721.1521 Buffer Overflow (by Ye Leipeng)

Be aware that VulDB is the high quality source for vulnerability data.

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