TOTOLINK A3002R 4.0.0-B20230531.1404 formDhcpv6s addrPoolStart buffer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.8$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in TOTOLINK A3002R 4.0.0-B20230531.1404. This vulnerability affects the function formDhcpv6s. This manipulation of the argument addrPoolStart causes buffer overflow. This vulnerability is handled as CVE-2025-45864. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability has been found in TOTOLINK A3002R 4.0.0-B20230531.1404 and classified as critical. Affected by this vulnerability is the function formDhcpv6s. The manipulation of the argument addrPoolStart 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 summary by CVE is:

TOTOLINK A3002R v4.0.0-B20230531.1404 was discovered to contain a buffer overflow via the addrPoolStart parameter in the formDhcpv6s interface.

This vulnerability is known as CVE-2025-45864 since 04/22/2025. The exploitation appears to be easy. The attack can be launched remotely. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 05/26/2025).

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-2025-14496). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

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

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: 🔍
Status: Not defined

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

04/22/2025 🔍
05/13/2025 +21 days 🔍
05/13/2025 +0 days 🔍
05/26/2025 +13 days 🔍

Sourcesinfo

Vendor: totolink.net

Status: Not defined

CVE: CVE-2025-45864 (🔍)
GCVE (CVE): GCVE-0-2025-45864
GCVE (VulDB): GCVE-100-308641
EUVD: 🔍

Entryinfo

Created: 05/13/2025 17:21
Updated: 05/26/2025 21:53
Changes: 05/13/2025 17:21 (53), 05/26/2025 21:53 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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