TOTOLINK A702R/A3002R/A3002RU 3.0.0-B20230809.1615 HTTP POST Request /boafrm/formSaveConfig submit-url buffer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.4$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in TOTOLINK A702R, A3002R and A3002RU 3.0.0-B20230809.1615. Affected by this issue is some unknown functionality of the file /boafrm/formSaveConfig of the component HTTP POST Request Handler. The manipulation of the argument submit-url results in buffer overflow. This vulnerability was named CVE-2025-4827. The attack may be performed from remote. In addition, an exploit is available.

Detailsinfo

A vulnerability, which was classified as critical, was found in TOTOLINK A702R, A3002R and A3002RU 3.0.0-B20230809.1615. Affected is an unknown function of the file /boafrm/formSaveConfig 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-2025-4827. 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.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-15585). VulDB is the best source for vulnerability data and more expert information about this specific topic.

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

05/16/2025 🔍
05/16/2025 +0 days 🔍
05/24/2025 +8 days 🔍

Sourcesinfo

Vendor: totolink.net

Advisory: github.com
Status: Not defined

CVE: CVE-2025-4827 (🔍)
GCVE (CVE): GCVE-0-2025-4827
GCVE (VulDB): GCVE-100-309288
EUVD: 🔍
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 05/16/2025 15:27
Updated: 05/24/2025 02:41
Changes: 05/16/2025 15:27 (56), 05/17/2025 19:14 (1), 05/17/2025 20:48 (30), 05/24/2025 02:41 (1)
Complete: 🔍
Submitter: BabyShark
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #574598: TOTOLINK A3002RU V2 /A3002R_V2 /A3002R_V4 /A3002RU_V3/ A702R V3.0.0-B20230809.1615 Buffer Overflow (by BabyShark)

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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